Registers – Coded record sensors – Particular sensor structure
Patent
1985-11-27
1987-06-09
Pitts, Harold I.
Registers
Coded record sensors
Particular sensor structure
235454, G06K 710
Patent
active
046721851
ABSTRACT:
A control system for a semiconductor substrate process line comprises a process line having processing units for processing a semiconductor wafer in accordance with preset data, a plurality of cassettes each for storing a plurality of semiconductor wafers and having an identification member on a surface thereof consisting of a plurality of projections arranged in a row, a non-contact type number reader provided at an entrance side of the processing unit for reading the cassette number designated by the identification member and generating a signal corresponding to the number, and a control unit in which processing conditions are input corresponding to the semiconductor wafers stored in the cassettes and which identifies the signal from the reader and controls the processing unit under processing conditions corresponding to the identified number.
REFERENCES:
patent: 4293676 (1981-10-01), Long
Kamidoi Hiroshi
Sato Mitsuo
Kabushiki Kaisha Toshiba
Pitts Harold I.
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