Device for protecting against electrostatic discharge

US6870227B1 · kind B1 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Stephan Mettler · Reutlingen, DE
• Steffi Lindenkreuz · Reutlingen, DE
• Wolfang Wilkening · Pfullingen, DE

Key dates

• Filing date: Apr 14, 2000
• Grant date: Mar 22, 2005
• Expiry date: Apr 14, 2020

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10D89/711

Abstract

A ESD protective device is proposed, including a vertical bipolar transistor connected as a diode, in which the contacting of the collector layer is designed highly resistive. The arrangement, while having a space-saving construction, has an increased snap-back voltage.