IP Library Granted Patent US 7,148,711
Granted Patent B2
US 7,148,711 · App. 11/144,852 · Granted Dec 12, 2006

Membrane probing system

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Quick Facts
Patent No.
US 7,148,711
App. No.
11/144,852
Granted
Dec 12, 2006
Kind
B2
Abstract

A membrane probing assembly includes a probe card with conductors supported thereon, wherein the conductors include at least a signal conductor located between a pair of spaced apart guard conductors. A membrane assembly includes a membrane with contacts thereon, and supporting at least a signal conductor located between a pair of spaced apart guard conductors. The guard conductors of the probe card are electrically interconnected proximate the interconnection between the probe card and the membrane assembly. The guard conductors of the membrane assembly are electrically interconnected proximate the interconnection between the probe card and the membrane assembly.

Claims (5)

1. A membrane probing assembly comprising:

(a) a probe card with conductors supported thereon, wherein said conductors include at least a signal conductor located between a pair of spaced apart guard conductors;

(b) a membrane assembly including a membrane with contacts thereon, and supporting at least a signal conductor located between a pair of spaced apart guard conductors;

(c) said guard conductors of said probe card are electrically interconnected proximate the interconnection between said probe card and said membrane assembly; and

(d) said guard conductors of said membrane assembly are electrically interconnected proximate the interconnection between said probe card and said membrane assembly.

Assignments (3)
RELEASE OF SECURITY INTEREST Recorded Aug 7, 2025
From: HSBC BANK USA, NATIONAL ASSOCIATION
To: FORMFACTOR, INC.
Reel/Frame 072853/0001 →
CHANGE OF NAME Recorded Mar 13, 2019
From: CASCADE MICROTECH, INC.
To: FORMFACTOR BEAVERTON, INC.
Reel/Frame 049949/0542 →
SECURITY INTEREST IN UNITED STATES PATENTS AND TRADEMARKS Recorded Jul 12, 2016
From: FORMFACTOR, INC.; ASTRIA SEMICONDUCTOR HOLDINGS, INC.; CASCADE MICROTECH, INC.; MICRO-PROBE INCORPORATED
To: HSBC BANK USA, NATIONAL ASSOCIATION
Reel/Frame 039184/0280 →