Integrated thin-film solar cell and process for producing the same
A problem of the invention is to prevent a substrate from being damaged with a metal stylus upon mechanical patterning. In the invention, a thin film obtained by accumulating in this order a substrate 2 , a back surface electrode layer 3 , a multi-element compound semiconductor thin film (light abso...
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| creator | TACHIYUKI MUNEYORI KUSHIYA KATSUMI |
| description | A problem of the invention is to prevent a substrate from being damaged with a metal stylus upon mechanical patterning. In the invention, a thin film obtained by accumulating in this order a substrate 2 , a back surface electrode layer 3 , a multi-element compound semiconductor thin film (light absorbing layer) 5 , a transparent buffer layer 6 having a high resistance and a transparent and electroconductive window layer 7 is divided into respective unit cells, which are connected plurally in series to obtain a prescribed voltage, and it contains patterning P 1 of dividing the back surface electrode layer 3 , patterning P 2 of dividing the light absorbing layer 5 , or the light absorbing layer and the buffer layer 6 , and patterning P 3 of dividing from the window layer 7 up to the light absorbing layer 5 , in which in P 2 and P 3 , an ultrathin film layer 4 formed secondarily through reaction with a chalcogen element on the surface of the back surface electrode layer 3 in the formation step of the light absorbing layer is used as a solid lubricant upon mechanically removing the constitutional thin film layers with a metal stylus to form grooves. |
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In the invention, a thin film obtained by accumulating in this order a substrate 2 , a back surface electrode layer 3 , a multi-element compound semiconductor thin film (light absorbing layer) 5 , a transparent buffer layer 6 having a high resistance and a transparent and electroconductive window layer 7 is divided into respective unit cells, which are connected plurally in series to obtain a prescribed voltage, and it contains patterning P 1 of dividing the back surface electrode layer 3 , patterning P 2 of dividing the light absorbing layer 5 , or the light absorbing layer and the buffer layer 6 , and patterning P 3 of dividing from the window layer 7 up to the light absorbing layer 5 , in which in P 2 and P 3 , an ultrathin film layer 4 formed secondarily through reaction with a chalcogen element on the surface of the back surface electrode layer 3 in the formation step of the light absorbing layer is used as a solid lubricant upon mechanically removing the constitutional thin film layers with a metal stylus to form grooves.</description><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION ; SEMICONDUCTOR DEVICES ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><creationdate>2007</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070719&DB=EPODOC&CC=US&NR=2007163646A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070719&DB=EPODOC&CC=US&NR=2007163646A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TACHIYUKI MUNEYORI</creatorcontrib><creatorcontrib>KUSHIYA KATSUMI</creatorcontrib><title>Integrated thin-film solar cell and process for producing the same</title><description>A problem of the invention is to prevent a substrate from being damaged with a metal stylus upon mechanical patterning. 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| subjects | BASIC ELECTRIC ELEMENTS CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION SEMICONDUCTOR DEVICES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | Integrated thin-film solar cell and process for producing the same |
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