Lackwerke Peters has released Elpemer SD 2491 SM-TSW yellowing-stable photoimageable solder resist, and SD 2691 TSW marking ink.
The company claims that the white-opaque photoimageable solder resist and corresponding marking ink meet the requirements of the optoelectronics industry. The products are applied by screen printing and developed in aqueous-alkaline media. The products have a claimed best flame class V-0 acc. to UL 94, meets requirements of IPC-SM-840D and is halogen-free acc. to JPCA-ES01-2003/IEC 61249-2-21.
www.peters.de