The Thermal Management Solution You've Been Waiting For
Our Newest Innovation for the Automotive Industry
For the past few months I have been traveling with my Japanese counterpart, Sakai-san from Taiyo Ink, visiting automotive OEMs. We have been updating them on the latest Taiyo products for the automotive industry. One of the most interesting products is our heat spreader solder mask.
The new Taiyo heat spreader, PSR-4000 HS2W, is a stand-alone solder mask that requires no added processing. You process it like any ordinary LPI solder mask and you get the added benefit of thermal conductivity, 2 W/m K.
You talked, we listened and we heard you
Originally Taiyo introduced the heat spreader to the market a few years ago as a separate coating underneath the solder mask. It was photo-imagable and would allow you to design your thermal management and then the solder mask would be coated over it. The downside of course was that this was an additional added process (to the standard PCB production), thus adding cost and time.
Some of you used it but asked for more...you asked for a stand-alone solder mask with no added processing. We heard you and went back to work, and yes here it is!
You can see in the exhibit above that the heat spreader is capable of reducing the temperature from 94.7°C for a standard solder mask down to 79.7°C. We were able to do this with some unique product designs that our chemists developed. This type of product can be used for many applications beyond just automotive or LEDs. Any PCB that uses a heat sink or has heat spikes in certain areas can benefit from a product of this nature.
Taiyo Ink (Japan) continues to generate performance data for this product.
