Semiconductor manufacturing device including sensor for sensing

Material or article handling – Device for emptying portable receptacle – With jarring means

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414936, 414938, G01B 1104

Patent

active

059801883

ABSTRACT:
An apparatus and method for carrying wafers through a multi-step process for producing a semiconductor, without using a cassette, where the apparatus senses whether a wafer is mis-loaded. The apparatus includes a plurality of optical sensors positioned above the wafers for sensing whether a wafer is mis-loaded by transmitting light past circumferential edges of the wafers.

REFERENCES:
patent: 4720130 (1988-01-01), Andou
patent: 4721427 (1988-01-01), Sanders et al.
patent: 4806057 (1989-02-01), Cay et al.
patent: 4987407 (1991-01-01), Lee
patent: 5266812 (1993-11-01), Mokuo
patent: 5533243 (1996-07-01), Asano
patent: 5836736 (1998-11-01), Thompson et al.

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