Posts tagged Thermal Interface Materials

Top 20 Considerations For Selecting Thermal Interface Materials

August 1st, 2007

Introduction Heat is often considered the limiting factor in the advancement of electronics systems. Lower thermal resistance will drive, not follow, future electronic designs. These solutions must be cost effective, user friendly and developed quickly.…read more

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Developments with metallic thermal interface materials

May 1st, 2007

Electronics industry needs for improved performance of thermal interface materials (TIMs) are driving continued reductions in thermal resistance. These reductions are being achieved with materials that become liquidous or near-liquidous at predictable operating temperatures, with…read more

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Adhesion of thermal interface materials for cpu heatsinks, an overlooked issue

February 1st, 2007

Figure 1. Test joint break load for a range of TIM types. Note that, by definition, PCMs go through a solid/liquid transition above the melting temperature (Tmelt). In the solid phase, PCMs, typically wax-based, show…read more

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Direct Die Attach Using a Room Temperature Soldering Process

May 1st, 2006

As the power and power density of IC components continue to rise [1], the need to effectively dissipate the heat to ensure long-term reliability has increased [2]. The largest contributor to the total thermal resistance…read more

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GCS Theory Applied to Thermal Interface Materials

November 1st, 2005

There are 819 kinds of Thermal Interface Material (TIM) – those greases, putties, pads and phase change compounds that go between hot electronic components and their heat sinks – and just as many ways to…read more

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Thermal Interface Materials: A Brief Review of Design Characteristics and Materials

February 1st, 2004

Introduction In the past few decades, as microprocessors have continued to evolve along Moore’s law, providing increased functionality and performance, there has been an associated increase in cooling demand driven both by the increase in…read more

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Problems with Thermal Interface Material Measurements: Suggestions for Improvement

November 1st, 2003

Preface Increasingly it is apparent that measuring the thermal properties of Thermal Interface Materials (TIMs) causes much irritation for vendors and users alike. This article focuses on various measurement and standardization aspects and offers a…read more

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Thermal Interface Materials

November 1st, 2003

It doesn’t take long for an electronics assembler to realize that a thermal interface material (TIM) is essential when two or more solid surfaces are in the heat path. Standard machined surfaces are rough and…read more

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Calculations for Thermal Interface Materials

August 1st, 2003

It’s no news to any of the readers of this publication that the increased power dissipation of integrated circuits has led to continuous refinement of package designs and component materials. This trend has increased the…read more

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Understanding Phase Change Materials

May 1st, 2002

Although phase change materials (PCM) were introduced nearly twenty years ago, it was not until the development of the high-powered Pentium processor that this class of interface material gained widespread acceptance. The large quantities of…read more

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Test methods for characterizing the thermal transmission properties of phase-change thermal interface materials

May 1st, 1999

All phase change thermal interface materials are designed to minimize the thermal resistance in an interface between a heat generating component and a heat sink. How well they achieve this goal in a specific application…read more

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Thermal Interface Materials

September 1st, 1996

Thermattach thermally conductive adhesivetapes Introduction Today’s semiconductors, whether discrete power or logic ICs, are smaller,run faster, do more and generate more heat. Some microprocessors dissipatepower levels that were once the exclusive domain of discrete power…read more

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Thermal resistance of interface materials as a function of pressure

September 1st, 1996

A very large factor in reducing thermal interface resistance is theapplication of pressure. Even though much effort in recent years has beendevoted to improving the thermal conductivity of interface materials, thethermal conductivity of a material…read more

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