Dalsa Corp., a Canadian maker of digital imaging and semiconductor products and services, announced it has received a contract to develop and deliver custom CCD image sensor chips to an Asian manufacturer of dental x-ray equipment. The contract, which includes custom development and volume production of the chips, is valued at a minimum of CDN $3.6 million and is expected to be completed over the next two years. The image sensor chips will be "eyes" of the customer’s panoramic dental x-ray and cephalometric imaging system, which is used for dental and orthodontic diagnosis and treatment. The custom chips will allow the x-ray system to capture more detail with higher contrast, using lower radiation doses.    . . .    GSI Group Inc. announced a multiple system purchase order for over $3 million for WaferTrim systems used for the production of high-performance analog and power management devices. Deliveries are scheduled for the first quarter of 2006. GSI Group, based in Billerica, Mass., supplies precision motion control components, lasers and laser-based advanced manufacturing systems to medical, semiconductor, electronics and industrial markets.