United States Patent 3,533,160
October 13, 1970

Air-Isolated Integrated Circuits
James A. Cuningham
Elias G. Hanna

Filed June 30, 1965
Image of US PATENT 3,533,160

Abstract of the Disclosure

A method ofmaking an integrated circuit device comprising a body having a plurality of semiconductor regions having coplanar faces. An insulating layer covers at least a portion of the surface. A layer of non-conductive material is disposed upon a portion of the insulating layer between selected ones of said semiconductor devices to mechanically strengthen the body.
Figure descriptions: cover graphic

  • Figure 1a illustrates schematically a simple integrated circuit according to the present invention.
  • Figure 1b illustrates a sectional view of the integrated circuit device embodying the circuit of Figure 1a.

 Citations [54]:
3,307,239 03/1967 Lepselter et al 3,313,013 04/1967 Last 3,335,338 08/1967 Leselter 3,396,312 08/1968 Cunningham et al 3,475,664 10/1969 De Vries
National Museum of American History
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