Flat lapping vacuum wafer chucks and metal plates

Valley Design Corp., a company specializing in the precision lapping and polishing of large surfaces has recently opened a California facility serving manufacturers and users of precision machined parts. Valley Design has expanded its services to accommodate large metal chucks and plates up to 36″ square, large diameter valve seats and similar items, in addition to Aluminum, hard coated Aluminum, and various reference surfaces for critical wafer processing applications. Working to your specifications,

Valley Design can meet even the most demanding requirements. Flatness can be held to less than 1/4 lightband and parallelism to .000050 inch.

Fast delivery and Reliable service for:

• Flatness
• Parallelism
• Tolerances
• Surface Finish