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Patent Searching and Data


Title:
保護膜形成用フィルム、保護膜形成用複合シート、及び半導体チップの製造方法
Document Type and Number:
Japanese Patent JP6979081
Kind Code:
B2
Abstract:
This film for forming a protective coating contains an ultraviolet-curable component, the light transmittance at a wavelength of 350 nm being 20% or less, the light transmittance at a wavelength of 550 nm being 25% or less, and the light transmittance at wavelength 1600 nm being 25% or greater.

Inventors:
Rikiya Kobashi
Inao Yoichi
Application Number:
JP2019550282A
Publication Date:
December 08, 2021
Filing Date:
October 25, 2018
Export Citation:
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Assignee:
LINTEC CORPORATION
International Classes:
H01L23/29; B32B7/023; B32B27/26; H01L21/301; H01L21/304; H01L23/00; H01L23/31
Domestic Patent References:
JP2000104026A
JP201532644A
Foreign References:
WO2016068042A1
Attorney, Agent or Firm:
Nishizawa Kazumi
Mitsunaga Igarashi
Hiroyuki Kato