Patent
1975-01-21
1976-03-16
James, Andrew J.
357 42, 357 44, H01L 2702
Patent
active
039450325
ABSTRACT:
A semiconductor device having a plurality of constituent components within a semiconductor body such that the device in combination with one of a plurality of different possible metallisation patterns of conductors forms a desired circuit arrangement, is provided in a semiconductor body having a epitaxial layer of one conductivity type on a substrate of the same conductivity type and suitable to be employed as a conductive plane, and is manufactured by a method which includes the diffusion step of providing simultaneously within the epitaxial layer regions of opposite conductivity type of the constituent components of the device and a network of conductive tracks, it being possible, for example, for the device to include bipolar transistors of the so-called collector-diffusion-isolation construction or isoplanar construction.
REFERENCES:
patent: 3449643 (1969-06-01), Imaizumi
patent: 3465213 (1969-09-01), Hugle
patent: 3617827 (1971-11-01), Schmitz
patent: 3631309 (1971-12-01), Myers
patent: 3654530 (1972-04-01), Lloyd
patent: 3713908 (1973-01-01), Agusta et al.
patent: 3717515 (1973-02-01), Ashar et al.
patent: 3748545 (1973-07-01), Beale
patent: 3760239 (1973-09-01), Fletcher et al.
Grundy David Latham
Hughes Kenneth Lawson
Ferranti Limited
James Andrew J.
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