On eBay Now...Vintage Semiconductor Photomask Glass Plates IC Circuit Lithography Mask Lot For Sale
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Vintage Semiconductor Photomask Glass Plates IC Circuit Lithography Mask Lot :
$149.99
Used - Good. Substrates show intricate internal gold/copper circuit patterns and traces. Light surface marks and age-related discoloration on margins.
Item Description:
Up for sale is a lot of 3 vintage/surplus square silicon or glass substrates featuring detailed IC circuit layouts and trace paths.
Quantity: 3 Square Substrates
Dimensions: Approx. 4" x 4" (see tape measure photo)
Features: Includes two patterned plates with dense chip carrier trace grids and one blank/translucent base plate.
Applications: Great for semiconductor collectors, R&D lab displays, microelectronics historical artifacts, or technical art projects.
Please inspect all high-resolution photos for close-up details of the circuit layout and condition.
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