A ceramic ring with ladder structure

A ceramic ring for supporting a wafer, comprising: a body; and an annular recess provided in the center of the body, the annular recess having a bottom surface and a buffer portion extending upwards from the bottom surface to the surface of the body. The ceramic ring can ensure reliability in positi...

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Main Authors CHAI, ZHI, PHAM, XUYEN, FANG, SHICAI
Format Patent
LanguageChinese
English
Published 01.11.2017
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Abstract A ceramic ring for supporting a wafer, comprising: a body; and an annular recess provided in the center of the body, the annular recess having a bottom surface and a buffer portion extending upwards from the bottom surface to the surface of the body. The ceramic ring can ensure reliability in positioning the wafer, and can prevent the edge side of the wafer from generating particles by contacting the ceramic ring.
AbstractList A ceramic ring for supporting a wafer, comprising: a body; and an annular recess provided in the center of the body, the annular recess having a bottom surface and a buffer portion extending upwards from the bottom surface to the surface of the body. The ceramic ring can ensure reliability in positioning the wafer, and can prevent the edge side of the wafer from generating particles by contacting the ceramic ring.
Author FANG, SHICAI
PHAM, XUYEN
CHAI, ZHI
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Snippet A ceramic ring for supporting a wafer, comprising: a body; and an annular recess provided in the center of the body, the annular recess having a bottom surface...
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SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
Title A ceramic ring with ladder structure
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