Semiconductor read only memory and method of making the same

Details Semiconductor read only memory and method of making the same Semiconductor read only memory and method of making the same

1981-03-19

1984-10-09

James, Andrew J.

357 51, 357 59, 357 91, 357 231, H01L 2978, H01L 2702, H01L 2904

Patent

active

044764782

ABSTRACT:
A semiconductor read only memory having a plurality of MOS transistors and polycrystalline or amorphous silicon resistances connected to the source or drain regions of the MOS transistors, laser beams irradiating selected silicon resistances to thermally activate those resistances and store the required data.

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P. W. Cook et al., "Read-only memory fabrication by laser formed connections", IBM Technical Disclosure Bulletin, vol. 15 (1973), pp. 2371-2372.
T. R. Mayhew et al., "P-MOS technology for quick turnaround custom LSI", RCA Engineer, (1972).

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