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Class Information
Number: 438/352
Name: Semiconductor device manufacturing: process > Forming bipolar transistor by formation or alteration of semiconductive active regions > Fusion or solidification of semiconductor region
Description: Process for making a bipolar transistor having a step of fusing or solidifying semiconductive regions of the substrate.

Patents under this class:

Patent Number Title Of Patent Date Issued
8222114 Manufacturing approach for collector and a buried layer of bipolar transistor Jul. 17, 2012
7012319 System for integrating a circuit on an isolation layer and method thereof Mar. 14, 2006
6893933 Bipolar transistors with low-resistance emitter contacts May. 17, 2005
6815303 Bipolar transistors with low-resistance emitter contacts Nov. 9, 2004
6432791 Integrated circuit capacitor and method Aug. 13, 2002
6025243 Method for preparing a semiconductor device Feb. 15, 2000
4609414 Emitter finger structure in a switching transistor Sep. 2, 1986
4542580 Method of fabricating n-type silicon regions and associated contacts Sep. 24, 1985
4364778 Formation of multilayer dopant distributions in a semiconductor Dec. 21, 1982

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