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:
Mar. 25, 2025
Filed:
Sep. 20, 2019
Jx Nippon Mining & Metals Corporation, Tokyo, JP;
Shin-ichi Ogino, Ibaraki, JP;
JX Advanced Metals Corporation, Tokyo, JP;
Abstract
A method for preparing a package that can effectively suppress surface alteration even in a sputtering target whose surface is likely to be altered by moisture such as a sputtering target comprising an oxide of boron is provided. A method for preparing a package of sputtering target, including a step 1 of housing a sputtering target in a first packaging bag made of a film having a water vapor permeability of 1 g/(m·24 h) or less, and then vacuum sealing an opening of the first packaging bag; and a step 2 of housing the first packaging bag which has been vacuum sealed in the step 1, in a second packaging bag made of a film having a water vapor permeability of 1 g/(m·24 h) or less, and then enclosing one or more cushion gases selected from a group consisting of air and inert gas in the second packaging bag, and sealing an opening of the second packaging bag.