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READ-ONLY MEMORY CIRCUIT

  • US 3,614,750 A
  • Filed: 07/15/1969
  • Issued: 10/19/1971
  • Est. Priority Date: 07/15/1969
  • Status: Expired due to Term
First Claim
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2. A read-only memory card reader to be used in conjunction with a read-only memory card, so as to form a storage unit of bits of information, comprising:

  • a. a second nonconductive supporting substrate, b. a matrix of source electrodes attachably disposed on said second nonconductive supporting substrate, c. a matrix of drain electrodes attachably disposed on said second nonconductive supporting substrate in a close alternating arrangement with said source electrodes, and d. semiconductor material attachably disposed between said source electrodes and said adjacent drain electrodes of the matrix of source and drain electrodes, so as to form a matrix of source electrode-semiconductor material-drain electrode elements against which a coded array of gate electrodes may lie in insulative contact.

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