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1. WO2012060475 - SOLAR CELL SEALING MATERIAL

Publication Number WO/2012/060475
Publication Date 10.05.2012
International Application No. PCT/JP2011/076122
International Filing Date 04.11.2011
IPC
H01L 31/042 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
04adapted as photovoltaic conversion devices
042PV modules or arrays of single PV cells
CPC
H01L 31/0481
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof; Details thereof
04adapted as photovoltaic [PV] conversion devices
042PV modules or arrays of single PV cells
048Encapsulation of modules
0481characterised by the composition of the encapsulation material
Y02E 10/50
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
10Energy generation through renewable energy sources
50Photovoltaic [PV] energy
Applicants
  • アキレス株式会社 ACHILLES CORPORATION [JP]/[JP] (AllExceptUS)
  • 小林 秀一 KOBAYASHI, Syuichi [JP]/[JP] (UsOnly)
Inventors
  • 小林 秀一 KOBAYASHI, Syuichi
Agents
  • 平石 利子 HIRAISHI, Toshiko
Priority Data
2010-24735004.11.2010JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) SOLAR CELL SEALING MATERIAL
(FR) MATÉRIAU D'ÉTANCHÉITÉ POUR CELLULES SOLAIRES
(JA) 太陽電池封止材
Abstract
(EN)
Provided is a solar cell sealing material, with which air is excellently released, and breakage of solar cells is reliably eliminated in a sealing step in solar cell manufacture. The solar cell sealing material is formed by embossing at least one surface of a sheet obtained by film-forming a transparent soft resin composition. The solar cell sealing material is characterized in that: (A) the porosity of the embossed surface of the sheet is less than 5 %; (B) the depths of recesses in the embossed surface are not uniform; (B-1) the arithmetic average roughness (Ra) of the embossed surface is 1.0-3.0 μm; and (B-2) the maximum height roughness (Rz) is 5-15 μm.
(FR)
Cette invention concerne un matériau d'étanchéité pour cellules solaires assurant une excellente évacuation de l'air ainsi que l'élimination fiable de la rupture des cellules solaires lors d'une étape d'encapsulation pendant la fabrication des cellules solaires. Ledit matériau d'étanchéité pour cellules solaires est formé par gaufrage d'au moins une surface d'une feuille obtenue par formation d'une membrane à partir d'une composition de résine transparente. Ledit matériau d'étanchéité pour cellules solaires est caractérisé en ce que : (A) la porosité de la surface gaufrée est inférieure à 5% ; (B) les creux de la surface gaufrée n'ont pas une profondeur identique ; (B-1) la rugosité arithmétique moyenne (Ra) de la surface gaufrée va de 1,0 à 3,0 μm ; et (B-2) la rugosité de hauteur maximale (Rz) va de 5 à 15 μm.
(JA)
太陽電池製造時の封止工程において、エアーの抜けが非常に良好で、しかも、太陽電池セルの破損を確実に防止することができる太陽電池封止材を提供する。透明軟質樹脂組成物を成膜して得られるシートの少なくとも片面をエンボス加工してなる太陽電池封止材であって、(A)前記シートのエンボス加工面の空隙率は5%未満、(B)エンボス加工面の凹部の深さは不均一であり、(B−1)エンボス加工面は、算術平均粗さ(Ra)が1.0~3.0μm、(B−2)最大高さ粗さ(Rz)が5~15μmである太陽電池封止材。
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