Fishing – trapping – and vermin destroying
Patent
1989-12-01
1991-01-29
Chaudhuri, Olik
Fishing, trapping, and vermin destroying
148DIG1, 148DIG6, 148DIG21, 437 81, 437131, 437173, 437200, 437914, 437926, H01L 2120
Patent
active
049886428
ABSTRACT:
An improved semiconductor device manufacturing system and method is shown. In the system, undesirable sputtering effect can be averted by virtue of a combination of an ECR system and a CVD system. Prior to the deposition according to the above combination, a sub-layer can be pre-formed of a substrate in a reaction chamber and transported to another chamber in which deposition is made according to the combination without making contact with air, so that a junction thus formed has good characteristics.
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Bunch William
Chaudhuri Olik
Semiconductor Energy Laboratory Co,. Ltd.
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