Abstract of the Disclosure

An integrated circuit in which islands containing circuit elements are isolated from one another partly by a p-n junction between an epitaxial layer and a substrate, and partly by polycrystalline semiconductor filled grooves, offering the advantages of comparatively simple manufacture yet comparatively good isolation.

• Figure 1 is a sectional view of part of a semiconductor device according to the invention.
• Figure 2 is a circuit diagram of a first example of a circuit to be integrated.
• Figure 5 shows the circuit diagram of a second example of a circuit to be integrated.

 Citations [54]:
  
3,271,685  09/1966  Husher
3,370,995  02/1968  Lowery
3,400,309  09/1968  Doo