Atotech India Ltd. Offers Liquid Photoimageable Solder Mask - LPISM. The quality management system of Atotech India Ltd. Is ISO 9001 and ISO 14001 accredited. Liquid Photoimageable Solder Mask - LPISM is designed to conform to highest standards in PCB surface protection and serve markets like automotive, telecommunication infrastructure, mobile communication, consumer and others. Liquid Photoimageable Solder Mask - LPISM is fully compatible with all common surface finish processes.