A versatile, easily assimilated microcomputer for instrumentation development applied to direct photographic mask generation

J. L. Schmalzel, L. J. D'Luna, M. S.P. Lucas, R. R. Gallagher

Research output: Contribution to journalArticle

Abstract

A low-cost microcomputer with an application to direct photographic mask generation is described. The microcomputer represents an effort to extend the power of microprocessor solutions to systems where the microcomputer represents a significant portion of the total system cost. 512 bytes of 1702A PROM and 256 bytes of RAM with the CPU and all associated control circuitry are contained on a single 3.5″ x 4.5″ card. The microcomputer speeds prototype development because it is treated as a module in system design. The time-consuming preparation of cut-master artwork for thick-film circuit fabrication has been eliminated by incorporating the microcomputer in a direct photographic mask generation system. Pad locations are entered with a keyboard and the pattern is transferred to photographic film by controlling the movement of an X-Y table with respect to a collimated light source.

Original languageEnglish (US)
Pages (from-to)248-252
Number of pages5
JournalIEEE Transactions on Industrial Electronics and Control Instrumentation
VolumeIECI-24
Issue number3
DOIs
StatePublished - Aug 1977

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Microcomputers
Masks
Thick film circuits
PROM
Photographic films
Random access storage
Program processors
Light sources
Microprocessor chips
Costs
Systems analysis
Fabrication

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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abstract = "A low-cost microcomputer with an application to direct photographic mask generation is described. The microcomputer represents an effort to extend the power of microprocessor solutions to systems where the microcomputer represents a significant portion of the total system cost. 512 bytes of 1702A PROM and 256 bytes of RAM with the CPU and all associated control circuitry are contained on a single 3.5″ x 4.5″ card. The microcomputer speeds prototype development because it is treated as a module in system design. The time-consuming preparation of cut-master artwork for thick-film circuit fabrication has been eliminated by incorporating the microcomputer in a direct photographic mask generation system. Pad locations are entered with a keyboard and the pattern is transferred to photographic film by controlling the movement of an X-Y table with respect to a collimated light source.",
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A versatile, easily assimilated microcomputer for instrumentation development applied to direct photographic mask generation. / Schmalzel, J. L.; D'Luna, L. J.; Lucas, M. S.P.; Gallagher, R. R.

In: IEEE Transactions on Industrial Electronics and Control Instrumentation, Vol. IECI-24, No. 3, 08.1977, p. 248-252.

Research output: Contribution to journalArticle

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