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Patent Searching and Data


Title:
WAFER HOLDING BODY
Document Type and Number:
WIPO Patent Application WO/2017/010307
Kind Code:
A1
Abstract:
A wafer holding body according to the present invention comprises: a ceramic base body that is disk-shaped and that comprises a wafer mounting surface at an upper surface side; embedded in the base body, for example, an RF electrode; a metal terminal inserted from a lower surface side of the base body; and a connecting terminal that electrically connects the RF electrode and the metal terminal with one another; wherein the connecting terminal comprises a ceramic member preferably having a truncated cone shape of the same material as the base body and a metal layer covering the surface of the ceramic member; and wherein an upper edge portion of the metal layer is connected to the RF electrode and a lower edge portion of the metal layer is connected to the metal terminal via a metal member.

Inventors:
KIMURA KOICHI (JP)
SAKITA SHIGENOBU (JP)
SHINMA KENJI (JP)
SHIMAO DAISUKE (JP)
ITAKURA KATSUHIRO (JP)
NATSUHARA MASUHIRO (JP)
MIKUMO AKIRA (JP)
Application Number:
PCT/JP2016/069570
Publication Date:
January 19, 2017
Filing Date:
July 01, 2016
Export Citation:
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Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
H01L21/683; C23C14/50; C23C16/458; C23C16/509; H01L21/3065; H01L21/31
Foreign References:
JP2014222697A2014-11-27
JP2006191124A2006-07-20
JP2006287213A2006-10-19
JP2005026120A2005-01-27
JP2007005740A2007-01-11
JP2003045952A2003-02-14
Attorney, Agent or Firm:
NAKATA, Motomi et al. (JP)
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