Method for manufacturing a transistor

Details Method for manufacturing a transistor Method for manufacturing a transistor

1976-01-21

1978-03-21

Tupman, W.

Metal working

Method of mechanical manufacture

Assembling or joining

29589, 29593, B01J 1700

Patent

active

040795055

ABSTRACT:
Method of manufacturing a transistor which includes an emitter pattern and a base pattern and provides a predetermined current amplification factor, and said method includes a step of measuring a current amplification factor of a monitor transistor during the manufacturing process, the characteristic feature of said method includes the steps of forming a monitor transistor pattern providing the same amplification factor as the semi-conductor device to be manufactured, providing additional portions to an emitter pattern and a base pattern of said monitor transistor pattern, contacting a probe of the measuring apparatus to said additional portions and effecting the measurement of the amplification factor of the monitor transistor.

REFERENCES:
patent: 3465427 (1969-09-01), Barson
patent: 3676229 (1972-07-01), Einthoven
patent: 3698077 (1972-10-01), Dahlberg

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