Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB17980/58A
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International Business Machines Corp
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International Business Machines Corp
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Publication date
Application filed by International Business Machines CorpfiledCriticalInternational Business Machines Corp
Publication of GB884463ApublicationCriticalpatent/GB884463A/en
H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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Engineering & Computer Science
(AREA)
Physics & Mathematics
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Condensed Matter Physics & Semiconductors
(AREA)
General Physics & Mathematics
(AREA)
Manufacturing & Machinery
(AREA)
Computer Hardware Design
(AREA)
Microelectronics & Electronic Packaging
(AREA)
Power Engineering
(AREA)
Conductive Materials
(AREA)
Abstract
Alloys used in the production of a semi-conductor device (see Group XXXVI) consist of (i) 99,6% Pb, 0,2% Sb and 0,2% Ga and (ii) 99,6% Sn, 0,2% Cu and 0,2% Sb. Specification 842,103 is referred to. Reference has been directed by the Comptroller to Specifications 841,195 and 865,471.
GB17980/58A1957-06-061958-06-05Improvements in or relating to semiconductor devices and a method of making such devices
ExpiredGB884463A
(en)