Patent ID: 6104596
Filing Date: 2000-08-15
Classification: H01L,Y10T

Abstract:
Apparatus for retaining a substrate such as a semiconductor wafer, comprising:a body of electrically conductive material;a body of low resistivity material, a first portion of said body of low resistivity material overlying at least a portion of said body of electrically conductive material, and at least a second portion of said body of low resistivity material extending through said body of electrically conductive material;at least one electrode residing in said first portion of said body of low resistivity material and spaced from said body of electrically conductive material;a metal feedthrough having a first portion extending through a portion of said first portion of said low resistivity material and a second portion of said metal feedthrough extending through said second portion of said low resistivity material, and said metal feedthrough spaced from said body of electrically conductive material, wherein said body of electrically conductive material, said body of low resistivity material, said at least one electrode and said metal feedthrough are simultaneously sintered into a unitary body.