Patent · US Expired

Cleaning sheets and method of cleaning with the same

US7718255B2 · kind B2 · utility

2Cited by
11References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 19, 2003
Grant dateMay 18, 2010
Priority date
Expiry dateAug 19, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/2738
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention provides cleaning sheets for use in cleaning, e.g., various substrate-processing apparatus, systems for conveying exposure masks (reticles) in microfabrication, etc., and a method of cleaning these with the cleaning sheets. A cleaning sheet which comprises a sheet material comprising a thermoset resin layer having porosity and, formed on one side of the sheet material, a pressure-sensitive adhesive layer comprising a thermoplastic resin.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.