Title
Eclipse transparenciesCatalog Number
102735439Type
Physical objectDescription
The record contains 4 transparencies for Eclipse circuit board layers. They are photographic transparencies used to manufacture a printed circuit board.One of the transparencies is labeled "Layer 1" in the bottom middle of the transparency. It is a positive image of Layer 1, with circuit board traces and a solid boarder printed in a sepia brown color. In the top right corner "Eclipse extended CPU 2" is printed.
One of the transparencies is labeled "Layer 2" in the bottom middle of the transparency. It is a positive image of Layer 2, with circuit board traces and a solid boarder printed in a sepia brown color.
One of the transparencies is labeled "Layer 3" in the bottom middle of the transparency. It is a negative image of Layer 3, with power plane holes and a striped diagonal boarder printed in a sepia brown color.
One of the transparencies is labeled "Layer 4" in the bottom middle of the transparency. It is a negative image of Layer 4, with power plane holes and a striped diagonal boarder printed in a sepia brown color.
Date
1974Manufacturer
Data General Corporation (DGC)Identifying Numbers
Other number | 100 | SN, PB, CU number, printed along the top of the transparency of Layer 1. |
Other number | 107 | SN, PB, CU number, printed along the top of the transparency of Layer 2. |
Other number | 107 44703 | Printed above the layer number on the transparencies of Layer 2, 3, and 4. |
Other number | 1070320709 | Rev number, printed along the top of the transparencies of Layer 1 and 2. |
Other number | 2.7 | NI, AU number, printed along the top of the transparencies of Layer 1 and Layer 2. |
Other number | 6858B | Eco number, printed along the top of the transparencies of Layer 1 and Layer 2. |
Other number | DGC12V010700044703/09 | Printed in the top left corner of the transparency for Layer 1. |
Part number | 447 | Printed along the top of the transparencies of Layer 1 and Layer 2. |