DE1958875
Surfaces, esp. printed circuits built up with components which are covered after soldering with a flux layer based on resin or collophony. In which decomposition products and metal salts caused by the soldering are embedded, are cleaned by dissolving the layer in a wash liquid whereby the decomposit...
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| creator | KUENZIG, HERBERT, 8750 ASCHAFFENBURG |
| description | Surfaces, esp. printed circuits built up with components which are covered after soldering with a flux layer based on resin or collophony. In which decomposition products and metal salts caused by the soldering are embedded, are cleaned by dissolving the layer in a wash liquid whereby the decomposition products and salts form stable colloids in folution, which is then diluted with the wash liquid. The preferred wash liquids consist of (1) organic compounds e.g. a mixture of toluene and n-butyl acetate which dissolve the layer and have lyophobic character towards the colloids present; (2) an organic solvent e.g. isopropanol in a volume which maintains the lyophobic character; (3) an organic solvent e.g. 1,1,2-trichloro-1,2,2-trifluoroethane miscible with (1) and dissolving the non-collloidal material but maintaining the lyophobic character. |
| format | Patent |
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In which decomposition products and metal salts caused by the soldering are embedded, are cleaned by dissolving the layer in a wash liquid whereby the decomposition products and salts form stable colloids in folution, which is then diluted with the wash liquid. The preferred wash liquids consist of (1) organic compounds e.g. a mixture of toluene and n-butyl acetate which dissolve the layer and have lyophobic character towards the colloids present; (2) an organic solvent e.g. isopropanol in a volume which maintains the lyophobic character; (3) an organic solvent e.g. 1,1,2-trichloro-1,2,2-trifluoroethane miscible with (1) and dissolving the non-collloidal material but maintaining the lyophobic character.</description><language>eng</language><subject>ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES ; CANDLES ; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DETERGENT COMPOSITIONS ; DETERGENTS ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; FATTY ACIDS THEREFROM ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ; METALLURGY ; PRINTED CIRCUITS ; RECOVERY OF GLYCEROL ; RESIN SOAPS ; SOAP OR SOAP-MAKING ; USE OF SINGLE SUBSTANCES AS DETERGENTS</subject><creationdate>1978</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=19780413&DB=EPODOC&CC=DE&NR=1958875C3$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19780413&DB=EPODOC&CC=DE&NR=1958875C3$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUENZIG, HERBERT, 8750 ASCHAFFENBURG</creatorcontrib><title>DE1958875</title><description>Surfaces, esp. printed circuits built up with components which are covered after soldering with a flux layer based on resin or collophony. In which decomposition products and metal salts caused by the soldering are embedded, are cleaned by dissolving the layer in a wash liquid whereby the decomposition products and salts form stable colloids in folution, which is then diluted with the wash liquid. The preferred wash liquids consist of (1) organic compounds e.g. a mixture of toluene and n-butyl acetate which dissolve the layer and have lyophobic character towards the colloids present; (2) an organic solvent e.g. isopropanol in a volume which maintains the lyophobic character; (3) an organic solvent e.g. 1,1,2-trichloro-1,2,2-trifluoroethane miscible with (1) and dissolving the non-collloidal material but maintaining the lyophobic character.</description><subject>ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES</subject><subject>CANDLES</subject><subject>CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS</subject><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DETERGENT COMPOSITIONS</subject><subject>DETERGENTS</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>FATTY ACIDS THEREFROM</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS</subject><subject>METALLURGY</subject><subject>PRINTED CIRCUITS</subject><subject>RECOVERY OF GLYCEROL</subject><subject>RESIN SOAPS</subject><subject>SOAP OR SOAP-MAKING</subject><subject>USE OF SINGLE SUBSTANCES AS DETERGENTS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1978</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB0cTW0NLWwMDflYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxcPXOxsZEKAEA1V4aog</recordid><startdate>19780413</startdate><enddate>19780413</enddate><creator>KUENZIG, HERBERT, 8750 ASCHAFFENBURG</creator><scope>EVB</scope></search><sort><creationdate>19780413</creationdate><title>DE1958875</title><author>KUENZIG, HERBERT, 8750 ASCHAFFENBURG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE1958875C33</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1978</creationdate><topic>ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES</topic><topic>CANDLES</topic><topic>CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DETERGENT COMPOSITIONS</topic><topic>DETERGENTS</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>FATTY ACIDS THEREFROM</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS</topic><topic>METALLURGY</topic><topic>PRINTED CIRCUITS</topic><topic>RECOVERY OF GLYCEROL</topic><topic>RESIN SOAPS</topic><topic>SOAP OR SOAP-MAKING</topic><topic>USE OF SINGLE SUBSTANCES AS DETERGENTS</topic><toplevel>online_resources</toplevel><creatorcontrib>KUENZIG, HERBERT, 8750 ASCHAFFENBURG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KUENZIG, HERBERT, 8750 ASCHAFFENBURG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DE1958875</title><date>1978-04-13</date><risdate>1978</risdate><abstract>Surfaces, esp. printed circuits built up with components which are covered after soldering with a flux layer based on resin or collophony. In which decomposition products and metal salts caused by the soldering are embedded, are cleaned by dissolving the layer in a wash liquid whereby the decomposition products and salts form stable colloids in folution, which is then diluted with the wash liquid. The preferred wash liquids consist of (1) organic compounds e.g. a mixture of toluene and n-butyl acetate which dissolve the layer and have lyophobic character towards the colloids present; (2) an organic solvent e.g. isopropanol in a volume which maintains the lyophobic character; (3) an organic solvent e.g. 1,1,2-trichloro-1,2,2-trifluoroethane miscible with (1) and dissolving the non-collloidal material but maintaining the lyophobic character.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_DE1958875C3 |
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| subjects | ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DETERGENT COMPOSITIONS DETERGENTS DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FATTY ACIDS THEREFROM INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY PRINTED CIRCUITS RECOVERY OF GLYCEROL RESIN SOAPS SOAP OR SOAP-MAKING USE OF SINGLE SUBSTANCES AS DETERGENTS |
| title | DE1958875 |
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