The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 25, 2024
Filed:
May. 08, 2019
Ulvac Techno, Ltd., Kanagawa, JP;
Katsunori Fujii, Kanagawa, JP;
Masanori Ito, Kanagawa, JP;
ULVAC TECHNO, LTD., Kanagawa, JP;
Abstract
A substrate lifting apparatus LM according to this invention is built into a stage ST having, on an upper surface, an electrostatic chuck EC for attracting a to-be-processed substrate W hands over the to-be-processed substrate to and from the stage has: lifting pins which are moveable upward and downward between a hidden position in which the lifting pins lie hidden into the stage, and a protruded position protruding upward from the upper surface of the stage; and a driving means for moving the lifting pins upward and downward. The driving means is arranged to be able to stop the upward movement of the lifting pins in an intermediate position in the course of moving the lifting pins upward from the hidden position to the protruded position.