There are Pros and Cons to the Bonded Grid Arrays Used in BGA Heat Sinks

The bonded grid arrays, used in manufacturing BGA heat sinks, have advantages in a variety of applications. When designing a component, finding the appropriate device needed for a cooling system that is effective, is a major step. BGA heat sinks are available in ceramic and plastic.

The increased heat dissipation rate is an important benefit provided by bonded grid arrays. The advanced circuitry of the arrays allows quick thermal energy conveyance without high levels of resistance that often occurs when the gull wing approach is used for surface mounting. BGA heat sinks also have a great heat sink-pin count capacity that cannot be achieved with gull wing lead. The ability to auto-align, based on heat flow from the source, may be the most innovative aspect of the bonded array grids. This increases the efficiency potential and allows a greater thermal energy level to transfer through the heat sink.

A component manufacturer needs to be aware of the BGA heat sinks drawbacks before making a final decision. Standard methods of reworking and inspection cannot be used due to the joint solder complexity. Visual inspection is not possible with the bonded grid arrays. It is impossible, to individually adjust, solder joints. To ensure BGA heat sinks technology’s reliability, using x-rays has been proposed as a feasible inspection method.

Light-curable adhesives are one of the newer technologies available for corner bonding. When outside edges of BGAs are close to the edge of the array, the adhesive is very important. The adhesives are applied post-flow. They cure in seconds. The flow underneath is minimized as it is engineered to the edge of the component that is wet.

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Choosing the Right Copper Heatsinks or LED Heatsinks

Because copper has a greater thermal conductivity level, copper heatsinks are sometimes necessary for an application. Copper conducts twice the energy of its aluminum counterpart. Copper heatsinks can be put through die-casting and bound together to form plates. Copper heatsinks do have some drawbacks. They are more expensive than aluminum. They are less malleable and heavier. Extruded heatsinks cannot be produced from copper.

A big advantage to using copper is realized in the skived fin technology process. A unified heatsink is created by carving out a single block of copper. Skiving copper increases efficiency by creating an attachable heat source base that is connected to the cooling fin. The skiving solution also increases the thermal conveyance rate, making for a heatsink design that is extremely desirable.

A common alternative to heatsinks made entirely of copper is the uniting of aluminum and copper in a single heatsink. Multiple fins are affixed to a heatsink base made of copper. The copper heat source, of this design, transmits high thermal conductivity that is quickly conveyed to the fins made of aluminum. The benefits of both materials are realized. There is needed high conductivity at the base while affordable aluminum has extrusion capability.

LED heatsinks are designed to absorb and then disperse excess heat. The heat is dispersed from the LED diode to the heatsink. Active and passive air circulation around the heatsink aids in cooling it. LED phosphor is damaged by too much heat. LED heatsinks, subjected to too much heat, will have a decreased lifespan, change color, and produce a lower light output. The most common LED lighting application issue stems from having LED heatsinks or heatsinks that are too small.

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The aluminum heatsinks provide the largest surface area

Thermally conductive material is used to make a heatsink that dissipates heat away from a device into the surrounding air. The design includes fins and other protrusions that increase surface area and the heatsink's ability to remove heat.

An innovative heatsink design combines extruded aluminum heatsinks with solderable rollers that improve the thermal performance and surface area over similar stamp design. Other heatsink extrusions combine a tin plated solderable integrated spring clip with an extruded aluminum heatsink body for an all in one solution. The mounting clip provides consistent pressure to reduce thermal resistance.

Other heatsink extrusions are scaled to meet the designer’s power dissipation needs. They can hold multiple devices. The aluminum heatsinks provide the largest surface area, easiest assembly, and smallest footprint. They are ideal for high density and forced convection cooling. The original versions were so successful that a larger version was made available for even more heat dissipation. This version employs the same internal clipping mechanism. It is recommended for applications requiring high-powered densities where forced air cooling is present.

Heatsink extrusions that feature vertical through-hole mounting are available in a black anodized finish. Extruded aluminum heatsinks are designed for vertical mounting with solderable pins. A low cost and easy to assemble version is used with LED packages. This simple heatsink can hold LED modules and can be mounted simply with thread forming screws. Heatsinks have two types of surface finishes and can be used in either natural, free, or forced cooling applications.

Cooling Source is a company that provides heatsink extrusion solutions. Quality standard and customized versions are available.

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Custom Heatsink Manufacturers

Thermal management is becoming a more important element in designing electronic products. The life expectancy and performance are inversely related to the temperature of equipment components. A temperature reduction corresponds exponentially with an increase in the longevity and reliability of a device.
Heatsinks enhance hot surface heat dissipation. The heat generating surface is usually the casing. Heat is dissipated to a cooler ambient that is usually the surrounding air.

A heatsink increases the surface area that comes into direct contact with a coolant. The increased surface area lowers the heat dissipation barrier. The operating temperature of the device is also lowered. The primary function of a heat sink is the maintenance of a device’s temperature below the maximum the device manufacturer specifies is allowable.

Pressure drop and thermal resistance values are typically used to express a heatsink’s efficiency. The air resistance moving through a heatsink is the pressure drop value. It is expressed in mmH2O units. Ideally, pressure drop should be as low as possible. The rate of rise in temperature per watt is the thermal resistance value. Thermal performance increases as the thermal resistance value decreases.
These are rough standards to use in choosing a heatsink. Other factors to consider are heat radiated from other parts to the heatsink and the surface area of the source of heat that touches the heatsink. In the majority of instances, electronic applications that prove to be the most cost-effective are aluminum extruded heatsinks.

Heatsink manufacturers design custom heatsink and extrusion profiles that fit the particular needs of their customers. Optimal thermal management solutions are tailored and provided for each application. Cooling Source is one of the heatsink manufacturers that make custom heatsinks.

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The Changing Nature of Technology and Your Market

Between the tech markets of San Francisco and San Jose Bay Area residents are living and working in the golden age of technological advances. Considering its history of social justice and change it is of little wonder that San Francisco has attracted so many individuals passionate about positive change in every aspect of our lives including technological advances. Every aspect of our daily lives has changed irrevocably from half a century ago, packed to the brim with new technological advances to provide us with more and more convenience in our day to day tasks than any age prior leading to bigger, better and faster advances.

No matter your business’s unique needs local bga heat sink specialists can assist with your bonded grid array needs providing you with the tools you and your clients need to handle to thermal energy solutions you require. With a variety of manufacturing materials, fan components, fin shape and sizing and folding options your local representative can guide you through the options for the best choice to handle the cooling requirements of your systems.

By addressing your unique needs in construction, cost, delivery and effectiveness your local thermal energy solution representative can help ensure you are equipped with the bga heat sinks and bonded grid arrays you need to keep your business a top player in this turbulent technological market. Choose a company with decades of experience who is willing to answer any and all questions to ensure you are provided with plenty of prototype options to ensure you are equipped with just what you need when you need it.

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Building a Relationship with a Heat Sink Manufacturer to Save You Time and Money

Bigger, better, faster- that is the market of today’s technological advances. With San Francisco and Silicon Valley constantly competing to introduce the next big thing on the market it can be challenging not only to keep up with the current demand but also to anticipate the next innovation right on the horizon. To meet your customer’s growing, changing and moving demands you need a company who will build a relationship to fully understand not only your business but your customers’ businesses who can deliver reliably and securely components that exceed your expectations.

Heat sinks are such an important component to allow your systems to function at their best, most efficient and safest, an integral part of the medical industry, today’s technologies and more. Due to the vast differences in needs finding a reliable source for your heat sink needs is a vital step in your business including one able to customize heatsinks according to your unique needs and specifications. With differences in aspect ratios, source metals, fin sizes and shapes and thermal connectivity your local heatsink manufacturer can customize your parts in every literal aspect, providing you with what you and your clients need to continue excelling in your respective fields of business.

Build a long-term relationship with your heatsink manufacturer to ensure the quality and composite of your parts is able to meet the growing nature of your business today and tomorrow. Local heat sink specialists can advise you on the best options for the construction of your required parts ensuring your ongoing satisfaction and function for years to come.

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Heat Sink Solutions to Meet the Needs of Your Business

Let’s face it- your business if your life’s blood. The time, effort, energy and money put into everything from daily tasks to long term planning can be exhausting at the best of times and seem like climbing Everest during the most trying situations. Partnering with local companies who can help assist you in maximizing your efficiency is a goal of any successful business and for maximal thermal integration solution efficiency finding the right heat sinks and bonded grid array solutions to meet the demand from your clients is a worthwhile investment. By allowing your local Californian suppliers to best get to know your business you not only improve your relationship but also their ability to best serve you and your clients’ needs through learning about your business technology needs to be able to find the perfect fit for maintaining ideal function.

Bonded grid array heat sinks and custom built heat sinks are available to meet absolutely any facet your business required. With decades of experience bonded grid array technicians can assist in finding the best heat sink options for your business and your clients including options in copper or aluminum construction, precision matching options, folded or bonded fin options and more. Our technicians strive to learn the ins and outs of your business to best provide you with not only options but to find you the ideal solution for long-term functionality.

Invest your time, effort and energy where it matters most rather than chasing after manufacturers who can meet your unique needs and specifications for thermal capacity solutions. 

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Thermal Integration Solutions to Maximize Your Output

Time is money and as any small business owner knows minimizing the steps or suppliers necessary to run your business effectively ends up saving you time, money and hassle in the long run. Minimizing your suppliers helps to not only maximize your efficiency but also allows you to improve your existing relationships- as they say, too many cooks can spoil the soup, just as too many middle men can cost you energy which could otherwise be directed towards meeting your own customers’ needs rather than those you patron yourself. No matter your business’s needs for thermal integration solutions your trusted and reliable heat sink solution partner can work towards providing you with the thermal solutions your customers need and deserve to meet the growing nature of bigger, better, faster and smarter technology.

Solutions such as skived fin heatsinks utilize a unique process of thinner blades sliced from bricks of copper or aluminum to provide you with light, high aspect ratio heatsinks with a low tooling cost as well as providing an inexpensive prototype. Unidirectional flow and low thermal conductivity allows you to offer your clients an energy efficient solution while minimizing costs, perfect for a variety of needs. With folded fin heat sinks and bonded heat sinks available local manufacturer agents can assist in discussing the unique features associated with every option utilizing decades of experience to best understand your business’s unique needs and the thermal applications they process.

By partnering with a local expert not only are you maximizing your heatsink performance but also saving yourself time, effort and money settling for a lesser product unable to fit the needs of your business. 

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Choosing a One Stop Spot for Cooling Solutions

With breakthroughs across every area of technological innovation these days it can be challenging to keep up with not only the demand for higher and more efficient production but also to find cooling solutions to fit a variety of needs reliably which can also make room for future progress. Many business owners have prioritized building relationships with companies who can not only supply what they need to fit their current demand but also will continue to improve and meet future demands with the changing nature of technological innovation. Enter heat sink extrusions providing the flexibility you want and need with a variety of customizable options to fit your business’s unique needs and requirements while keeping costs low for both tooling and per piece concerns, often requiring little to no additional machining to work as efficiently as possible. Local engineers can explain the pro’s and con’s of each heat sink extrusion to find the best fit for your applications today as well as what to consider for future applications and purchases. 

Extruded aluminum heatsinks provide a light, easily cooled solution for maximum low thermal conductivity. By keeping a quick market turnaround and consumer and business-friendly pricing extruded aluminum heatsinks provide a valuable industry aspect to work within your needs and applications. Extrusion logs can be cut into a variety of lengths and sizes for any manufactured part needs. 

Consult with a thermal integration solution professional today to discuss your cost and application options with extruded aluminum heatsinks to maximize your business’s efficiency. 

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Choosing Heat Pipes for Efficient Cooling Solutions

Better, faster stronger- it is of little surprise that the Bay Area is a veritable mecca for constant innovation having birthed many innovative companies who have literally changed the face of technology. The San Francisco Bay Area is constantly evolving, the rebel spirit which propelled the free love movement and political change in the 1960’s having spilled over into every industry in the area, literally paving the way for the free exchange of ideas to make an impact on our daily lives.

With computers constantly working faster and more efficiently the need for speed does not come without its cost- which could be at risk of generating enough heat to destroy its processor. Heat pipe technology helps to maintain optimal function by keeping your system cool, fast and efficient with the potential to not only maintain but improve thermal performance by increasing CPU thermal dissipation demand. With customizable options from orientation- horizontal, gravity-aided or against gravity- and a variety of metal alloys available to ensure your heat pipes maximize your processor’s functions according to its unique needs never before have consumers had so many options at their fingertips for maximum efficiency. 

With options considering your heat source’s heat load, geometry, location, distance and orientation heat pipes are available to manage virtually any size and scope of your CPU’s workload. Engineers can assist in answering any questions about the best possible setup and materials to inspire that spirit of innovation that is as alive and well today as it ever was. 

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What are Bonded Grid Arrays/BGA Heat Sinks?

Navigating through the world of electronics is an exciting adventure, but there are so many small details to keep in mind. The wide variety of heat sinks can be difficult to figure out at first, but with enough patience you’ll be an expert before you know it.

First to understand what a BGA Heat Sink is, you need to know exactly what a heat sink does. As the world of microelectronic devices increases in heat dissipation while simultaneously reducing in size, trying to manage the heat in electronics is increasingly becoming a very important element of creating any electronic product.
If a product produces too much heat it shortens the life expectancy and reliability of the device. Through experiments it been shown there is a direct relationship between the operating temperature of a device, and how long it lasts. In order to ensure that a device gives the brand a good name managing temperature is a huge factor.

This is where heat sink comes in. Heat sinks are the devices that dissipate heat from a electronic devices. Once the object is hot, the heat sink works to lower the temperature to cooler, ambient temperature. A heat sink does this by increasing the surface area directly in contact with the coolant of the product allowing more heat to dissipate.

BGA heat sinks, or bonded grid arrays, is one variety of heat sink devices. Due to its major cooling capacity, it works with some of the most demanding applications. If you want to find out what BGA is right for your device, it is wise to consult with a professional to find out more since there is such a wide variety of these devices.

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A Battle of the Heat Sinks: Skived Fin Vs. Folded Fin

There are a wide variety of copper heat sinks all with different applications, pros, and cons. We wanted to create a brief resource for those trying to compare these heat sinks. Before we got started, we wanted to recommend if you want to learn even more about copper heat sinks to contact professionals.

Pros and Cons of Folded Fins

This type of copper heat sink was originally developed to be used on airplanes and satellites. The folded fins are made by folding a strip of copper repeatedly in a wave pattern. On each there is thermal conductive epoxy attached onto the copper.

Advantages of Folded Fins

• Lightest of all heat sinks
• Can have the finest fin
• Minimize the amount of space need to mount
• Dissipates the most heat per surface area

Cons of Folded Fins

• More costly than skivs
• Sometimes nickel plated required for soldering
• Require joints which reduce thermal conductivity

Pros and Cons of Skived Fins

Skived fins evolved from folded fins, and they offer higher fin density with improved thermal conductivity when compared to folded fins. These heat sinks are carved from the base of the heat sink with a very thin blade which is folded and then aligned.

Advantages of Skived Fins

• Ideal thermal conductivity with base
• Inexpensive prototyping
• Thin fins
• Can be made from copper or aluminum

Disadvantages of Skived Fins

• Fin and base have to be same material
• Fins have to be parallel
• Sometimes extra machining step is needed if the base is 3.0 mm or less


Conclusion on Copper Heat Sinks

As you can see, each type of fin has unique features and applications to consider. To learn more about a variety of copper heat sinks visit this website.

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Heatsinks and Metal Choice

If you find yourself reading this article, you likely are well-versed in the world of electronics and are yourself involved in the design of electronic systems. If you somehow arrived here and that does not apply to you, here is a brief crash course in the course in the world of heat sinks.

When you think about any kind of electronic item, whether that's your computer or the Christmas lights you use each winter or the video game your child simply will not put down, heat is a constant concern. Perhaps you've noticed one of these items or something similar becoming hot during use! Heat management is crucial for all electronics, and heat sinks are one of the primary ways to address this problem.

Heatsinks come in an infinite number of different designs and have pins or fins or other attributes meant to increase surface area and successfully manage the heat created by the electronic device in such a way that the device doesn't fail. Meta typel is a crucial decision when considering the best heat sinks for your application. Heat sinks exist in aluminum or copper or even different alloys. Though copper heatsinks are very popular, the other types of metal are as well.

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Where a liquid comes in contact with the hot heatpipe

Heat pipes are devices used for heat transfer that combine two principles: phase transition and thermal conductivity. These principles are combined in order to manage the transfer of heat that takes place between two solid interfaces. Where a liquid comes in contact with the hot heatpipe, this liquid turns into a vapor, which travels along the heat pipe until it reaches the cold interface where it condenses back into a liquid; this relseases the latent heat. The process repeats when the liquid then returns to the hot interface of the heatpipe again via capillary action or centrifugal force or gravity.

Heatpipes are very effective thermal conductors, though the specific thermal conductivity varies from heat pipe to heatpipe according to the length. Heat pipes typically are composed of a sealed pipe made of a material appropriate for the fluid that is being used. For example, copper is typical for water heatpipes, while aluminum is usually used for ammonia heat pipes. A vacuum pump is used to remove air from the empty heatpipe before a working fluid partially fills the heat pipe prior to sealing. Within the temperature range of the operating heat pipe, the heatpipe should contain both liquid and vapor.

Heatpipes date back to the advent of steam technology during the steam age, along with the “Perkins Tube” which was used widely in working ovens and train boilers. The term “heatpipe” wasn’t coined until 1963, when George Grover independently developed the technology at Los Alamos National Laboratory.

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Heat Sink Extrusions and Extruded Aluminum Heatsinks

Heat sink extrusions can have many benefits over other types of heatsinks. Here are some possible reasons why your application may benefit from the use of heat sink extrusions. Extruded heat sinks can be more efficient than stamped heat sinks. Fully machined assemblies are typically much more expensive than extruded heatsinks, which makes the extruded variety much easier on your pocketbook. Because many extruded heat sinks are readily available typically in many standard sizes and shapes, availability is likely to be assured. If your application requires customization, most heatsink specialists can readily accommodate such requests for heat sink extrusions. When considering particular metals, extruded aluminum heatsinks can have a significant advantage in terms of heatsink weight when compared to copper. Depending on the heat sink company you choose to work with, you may find one with types of mounting systems that eliminate the need for mounting tools and hardware specifically for that task.

Extruded heatsinks can be a better option than machined assemblies or stamped heat sinks. Heat sink extrusions can provide a broader range of solutions for higher powered systems and components. Depending on your needs for your specific application, complex fin structures are possible via extruded aluminum heatsinks when using raw aluminum and an extrusion die. The more complex fin structures can allow for greater heat dissipation via greater surface area, making the general task of heat management a much easier and cheaper one. Contact a specialist today to take advantage of all this!

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Introduction to Heatpipes

Heat pipes are devices used for heat transfer that combine two principles: phase transition and thermal conductivity. These principles are combined in order to manage the transfer of heat that takes place between two solid interfaces. Where a liquid comes in contact with the hot heatpipe, this liquid turns into a vapor, which travels along the heat pipe until it reaches the cold interface where it condenses back into a liquid; this relseases the latent heat. The process repeats when the liquid then returns to the hot interface of the heatpipe again via capillary action or centrifugal force or gravity.

Heatpipes are very effective thermal conductors, though the specific thermal conductivity varies from heat pipe to heatpipe according to the length. Heat pipes typically are composed of a sealed pipe made of a material appropriate for the fluid that is being used. For example, copper is typical for water heatpipes, while aluminum is usually used for ammonia heat pipes. A vacuum pump is used to remove air from the empty heatpipe before a working fluid partially fills the heat pipe prior to sealing. Within the temperature range of the operating heat pipe, the heatpipe should contain both liquid and vapor.

Heatpipes date back to the advent of steam technology during the steam age, along with the “Perkins Tube” which was used widely in working ovens and train boilers. The term “heatpipe” wasn’t coined until 1963, when George Grover independently developed the technology at Los Alamos National Laboratory.

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Ball Grid Arrays and BGA Heat Sinks

A ball grid array, or BGA, is a type of packaging used to mount a device like a microprocessor. They are used for integrated circuits. BGAs allow for the entire bottom surface of the device to be used rather than just the perimeter, while the leads are shorter on average which creates better high-speed performance. BGAs are made of many, many layers overlapping one another and can contain anywhere from one to one million of a variety of circuits, including but not limited to logic gates, multiplexers, flip-flops, etc. In general, ball grid arrays (sometimes mistakenly referred to as "bonded grid arrays") have high lead count, a remarkable effective density, and minimal inductance.

The BGA is derived from the PGA or pin grid array, which has a face covered or partially covered by pins which use a grid pattern. BGA packages can have an advantage over other packages due to a lower thermal resistance. Heat that is generated by the circuit flows more easily to the PCB or printed circuit board, which keeps the chip from overheating.

BGA heat sinks are available in multiple sizes for thermal management for low power applications. Like all heat sinks, BGA heat sinks can be customized and designed to your specifications according to your needs. Though some believe BGA stands for "bonded grid arrays," your custom ball grid arrays are sure to address whatever thermal management concerns your particular electronic device presents. Be sure that whatever company you decide on for your thermal management needs considers bga heat sinks for your application.

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LED Lights and Heatsinks

Have you ever been curious why LED lights aren’t as hot as other types of lights? Given the popularity of LED lights these days, especially as many of us put up Christmas lights prior to the upcoming holiday, it is quite fascinating to consider the way in which LED lights deal with the issue of heat dissipation and management as compared to other types of lights.

The variation in heat produced by different types of lights is quite drastic. As measured by one online retailer, a halogen bulb operated at 327 degrees. A CFL was cooler at only 167 degrees, but the LED was coolest by far at only 107 degrees. Heatsinks keep LEDs cooler than the competition, allowing for my toddler to handle the lights on our Christmas tree without me worrying that he’s going to burn his hands (and taking away the worry that the tree may catch on fire!).

Heatsinks in general work to dissipate heat for any kind of electronic and not just lights. LEDs, however, are a perfect example to provide which most of us are familiar with, as everyone knows how hot an incandescent light bulb can get. Heatsinks can be designed in a nearly infinite array with variations provided to meet the different needs of the application. LED heatsinks, like all heatsinks, can be made from different materials with different structures meant to maximize surface area to release heat more efficiently. Many heatsinks utilize pins, fins and other components for the general purpose of thermal management.

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