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Chinese Taiwan Metal Injection Molding producers seize opportunities provided by electric vehicles

16th Jul, 2017


U-cup Fin™ designed for an IGBT power module

U-cup Fin™ designed for an IGBT power module

A number of Chinese Taiwan Metal Injection Molded notebook and IT component suppliers have begun taking advantage of the opportunities provided for MIM producers in the electric vehicle industry, according to a report by Taiwan-based newspaper Digitimes.

A key opportunity for MIM producers in the electric vehicle market is the manufacture of Insulated-Gate Bipolar Transistor (IGBT) cold plates by Metal Injection Molding (MIM). These devices are typically used in high-end liquid cooling systems, particularly those with limited thermal dissipation space, such as Electric Vehicle/Hybrid Electric Vehicle power modules.

These systems generally have a compact structure with little thermal dissipation space and thus have difficulties dissipating heat generated. MIM technology can be used to achieve a complex geometric design that provides both high thermal performance and low pressure drop, and also enables the production of thin-walled metal components for better heat dissipation.

MIM faces some competition from forging in this arena, with Jentech, Taoyuan, Chinese Taiwan, reporting the certification of its forged IGBT power modules in the first quarter. However, MIM offers significant advantages over forging for the production of small, complex electrical parts, the demand for which is expected to grow with the rise in electric vehicle manufacture.

Tesla has reportedly been working with Taiwan’s electronics manufacturers for products such as motherboards. According to Digitimes, Taipei-based Pegatron Technology is rumoured to have landed central computer motherboard orders from Tesla for its Tesla Model 3, but Pegatron declined to comment on its clients or orders.