Global Supplier Directory
Supplier Solutions
Whitepaper Library
Calendar of Events
Association Locator
Contents Pages
Market Research
Subscription Center


June 2004
 Printable format
 Email this Article

In response to the growing pressure of protecting the environment and meeting challenging new processing requirements, Shoei Co. Ltd. of Tokyo, Japan has replaced PPS with high-temperature resistant VICTREX® PEEK™ polymer for the resin mold cases of its PetitCap aluminum electrolytic capacitor. Soldered onto the surface of a printed circuit board, the low-profile capacitors are used in consumer electronic products such as notebook PCs, DVD players, and CD-R/W drives. According to Victrex USA, Inc., the manufacturer of PEEK, the problem with a conventional solder is that it contains lead, which impacts the disposal and recycling of electronic products. Victrex says that the semiconductor industry is transitioning to lead-free soldering at an accelerated pace to avoid contaminating the environment. When compared to a conventional solder, which has a processing temperature of approximately 482°F (250°C), Victrex says that lead-free alternatives require longer heating times (preheating and reflow) at temperatures exceeding 500°F (260°C). The total quantity of heat which mounting parts receive during a lead-free soldering process is said to be twice that with conventional soldering. As a result, greater heat resistance is required for the material in the resin mold cases. According to the supplier, its PEEK polymer has a heat-resistant temperature of up to 600°F (315°C).


Contact Us | About Us | Subscriptions | Advertising | Home
UBM Canon © 2015  

Please visit these other UBM Canon sites

UBM Canon Corporate | Design News | Test & Measurement World | Packaging Digest | EDN | Qmed | Plastics Today | Powder Bulk Solids | Canon Trade Shows