Title:
PROTECTIVE SHEET FOR SOLAR CELLS, METHOD FOR PRODUCING SAME, BACK SHEET FOR SOLAR CELLS, AND SOLAR CELL MODULE
Document Type and Number:
WIPO Patent Application WO/2013/008917
Kind Code:
A1
Abstract:
A protective sheet for solar cells, which is characterized by comprising: a polyester supporting body that has a thickness of 145-300 μm, an in-plane thermal shrinkage in a first direction after 30 minutes at 150°C of from 0.2% to 1.0%, and an in-plane thermal shrinkage in a second direction, which is perpendicular to the first direction, after 30 minutes at 150°C of from -0.3% to 0.5%; and a polymer layer that is arranged on the polyester supporting body and has a residual solvent amount of 0.1% by mass or less. This protective sheet for solar cells has excellent adhesion between the polyester supporting body and a functional layer that is coated in an aqueous medium, and is capable of maintaining a good shape when held in a high temperature high humidity environment.
Inventors:
TAKEGAMI RYUTA (JP)
Application Number:
PCT/JP2012/067946
Publication Date:
January 17, 2013
Filing Date:
July 13, 2012
Export Citation:
Assignee:
FUJIFILM CORP (JP)
TAKEGAMI RYUTA (JP)
TAKEGAMI RYUTA (JP)
International Classes:
H01L31/042; B32B27/20; B32B27/36
Domestic Patent References:
| WO2007040039A1 | 2007-04-12 |
Foreign References:
| JP2010109240A | 2010-05-13 | |||
| JP2009029108A | 2009-02-12 | |||
| JP2007150084A | 2007-06-14 | |||
| JP2010109348A | 2010-05-13 | |||
| JP2009010097A | 2009-01-15 | |||
| JPH07117381A | 1995-05-09 | |||
| JP2011091299A | 2011-05-06 | |||
| JP2010519742A | 2010-06-03 |
Attorney, Agent or Firm:
SIKs & Co. (JP)
Patent business corporation patent firm Sykes (JP)
Patent business corporation patent firm Sykes (JP)
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Claims: