Patent · US Expired

Method for manufacturing a bipolar transistor in a CMOS integrated circuit

US6756279B2 · kind B2 · utility

2Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 2002
Grant dateJun 29, 2004
Priority date
Expiry dateJul 30, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D84/038

Abstract

A method for manufacturing a contact between a semiconductor substrate and a doped polysilicon layer deposited on the substrate with an interposed insulating layer, wherein elements adapted to making the insulating layer permeable to the migration of dopants from the polysilicon layer to the substrate are implanted.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.