Including Isolation Step (437/61) Patents and Patent Applications (Class 438/FOR221) - Justia Patents Search

Including Isolation Step (437/61) Patents (Class 438/FOR221)

Foreign Patent Art Collections

By forming total dielectric isolation (437/62) (Class 438/FOR222)

By forming vertical isolation combining dielectric and pn junction (437/63) (Class 438/FOR223)

Using vertical dielectric (air-gap/insulator) and horizontal pn junction (437/64) (Class 438/FOR224)

Isolation by pn junction only (437/74) (Class 438/FOR234)

By diffusion from upper surface only (437/75) (Class 438/FOR235)
By up-diffusion from substrate region and down diffusion into upper surface layer (437/76) (Class 438/FOR236)
By etching and refilling with semiconductor material having diverse conductivity (437/78) (Class 438/FOR238)
Using polycrystalline region (437/79) (Class 438/FOR239)

There are no patents to show for this class.