May 23, 2011
SANTA ANA, CA — May 2011 ― Christopher Associates Inc., the exclusive distributor of OTC
solder masks in North America, introduces Onstatic Technology Corp.’s (OTC) R-500 WH White LPI
Solder Mask, designed specifically for LED lighting applications.
OTC, one of the world’s leading solder mask suppliers, has ISO-9000 certified manufacturing facilities
in Taiwan and China, and is the leading supplier of solder masks to the Chinese market. R-500 WH is
formulated for excellent color retention and high reflectance through multiple heat excursions, IR
reflow cycles and UV exposures. It also is resistant to chipping and cracking on thin flexible substrates
that are used in some LED designs. These properties are critical for meeting the demanding
requirements for LED boards.
Like all of OTC’s solder masks, R-
500 WH meets all industry standards
for solder masks, including IPC SM-
840C specifications, RoHS, REACH,
UL 94V-0 flammability rating and
various global end-users’ environmental certifications. It can be applied by screen printing or spraying,
and has wide operating windows for processing. Additionally, R-500 WH will withstand all current
metal surface finishes, such as ENIG and immersion tin.
Christopher Associates is a leading engineering services and distribution company with more than 30
years’ experience in supporting high-technology materials and manufacturing equipment throughout
North America.
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For further information, please contact:
David Rund, Director – Materials
Christopher Associates Inc.
3617 W. MacArthur Blvd.
Santa Ana, CA 92704
714-979-7500
E mail: David.rund@christopherweb.com