Investigation of thick film electronic packaging materials in dynamic contact with artificial body fluids
Thick film electronic packaging materials based on Ag-Pt (C4729), Ag-Pd (C2030) and Pt (LPA 88-11) conductive pastes were tested on their properties under the influence of flowing artificial blood plasma (ABP), artificial cerebrospinal fluid (ACF) and physiological solution (0.9% NaCl) for the evalu...
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| creator | Beshchasna, N. Engelien, E. Uhlemann, J. Wolter, K.-J. |
| description | Thick film electronic packaging materials based on Ag-Pt (C4729), Ag-Pd (C2030) and Pt (LPA 88-11) conductive pastes were tested on their properties under the influence of flowing artificial blood plasma (ABP), artificial cerebrospinal fluid (ACF) and physiological solution (0.9% NaCl) for the evaluation of their biostability grade in vitro. The degradation effects were studied by means of microscopic investigations, measurements of a surface free energy, determination of mass losses and analysis of a chemical content. Materials were stressed in fluid mediums during the periods of up to 60 days at the temperature of 60degC, pH value of (8-10) and flow velocity of 0.15 m/s in systems with a directional flow and by an unidirectional fluid circulation. Based on SEM-EDX analysis, formation of silver sulphide (Ag2S) in form of yellow-brown precipitate has been observed on Ag-Pt surfaces, which were influenced by ABP and ACF; a partly dissolution of Zn and Na particles from pastes glass matrix was supposed. No significant alterations in chemical content were revealed in case of interactions between Ag-Pt thick films and 0.9% NaCl. Ag-Pd surfaces were more stable due to formation of the protection palladium oxide (PdO) film. A very good stability have shown Pt-layers. |
| doi_str_mv | 10.1109/ESTC.2008.4684358 |
| format | Conference Proceeding |
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The degradation effects were studied by means of microscopic investigations, measurements of a surface free energy, determination of mass losses and analysis of a chemical content. Materials were stressed in fluid mediums during the periods of up to 60 days at the temperature of 60degC, pH value of (8-10) and flow velocity of 0.15 m/s in systems with a directional flow and by an unidirectional fluid circulation. Based on SEM-EDX analysis, formation of silver sulphide (Ag2S) in form of yellow-brown precipitate has been observed on Ag-Pt surfaces, which were influenced by ABP and ACF; a partly dissolution of Zn and Na particles from pastes glass matrix was supposed. No significant alterations in chemical content were revealed in case of interactions between Ag-Pt thick films and 0.9% NaCl. Ag-Pd surfaces were more stable due to formation of the protection palladium oxide (PdO) film. A very good stability have shown Pt-layers.</description><identifier>ISBN: 9781424428137</identifier><identifier>ISBN: 1424428130</identifier><identifier>EISBN: 9781424428144</identifier><identifier>EISBN: 1424428149</identifier><identifier>DOI: 10.1109/ESTC.2008.4684358</identifier><identifier>LCCN: 2008906795</identifier><language>eng</language><publisher>IEEE</publisher><subject>Biological materials ; Blood ; Chemical analysis ; Conducting materials ; Electronic equipment testing ; Electronics packaging ; Fluid dynamics ; Materials testing ; Plasma properties ; Thick films</subject><ispartof>2008 2nd Electronics System-Integration Technology Conference, 2008, p.253-258</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4684358$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,776,780,785,786,2051,27904,54899</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4684358$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Beshchasna, N.</creatorcontrib><creatorcontrib>Engelien, E.</creatorcontrib><creatorcontrib>Uhlemann, J.</creatorcontrib><creatorcontrib>Wolter, K.-J.</creatorcontrib><title>Investigation of thick film electronic packaging materials in dynamic contact with artificial body fluids</title><title>2008 2nd Electronics System-Integration Technology Conference</title><addtitle>ESTC</addtitle><description>Thick film electronic packaging materials based on Ag-Pt (C4729), Ag-Pd (C2030) and Pt (LPA 88-11) conductive pastes were tested on their properties under the influence of flowing artificial blood plasma (ABP), artificial cerebrospinal fluid (ACF) and physiological solution (0.9% NaCl) for the evaluation of their biostability grade in vitro. The degradation effects were studied by means of microscopic investigations, measurements of a surface free energy, determination of mass losses and analysis of a chemical content. Materials were stressed in fluid mediums during the periods of up to 60 days at the temperature of 60degC, pH value of (8-10) and flow velocity of 0.15 m/s in systems with a directional flow and by an unidirectional fluid circulation. Based on SEM-EDX analysis, formation of silver sulphide (Ag2S) in form of yellow-brown precipitate has been observed on Ag-Pt surfaces, which were influenced by ABP and ACF; a partly dissolution of Zn and Na particles from pastes glass matrix was supposed. No significant alterations in chemical content were revealed in case of interactions between Ag-Pt thick films and 0.9% NaCl. Ag-Pd surfaces were more stable due to formation of the protection palladium oxide (PdO) film. A very good stability have shown Pt-layers.</description><subject>Biological materials</subject><subject>Blood</subject><subject>Chemical analysis</subject><subject>Conducting materials</subject><subject>Electronic equipment testing</subject><subject>Electronics packaging</subject><subject>Fluid dynamics</subject><subject>Materials testing</subject><subject>Plasma properties</subject><subject>Thick films</subject><isbn>9781424428137</isbn><isbn>1424428130</isbn><isbn>9781424428144</isbn><isbn>1424428149</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2008</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpVUEtOwzAUNEKVgNIDIDa-QIqfHSf2ElUFKlVi0e6rF8duH02cKjGg3p4gumE2o9F8FsPYA4g5gLBPy812MZdCmHlemFxpc8VmtjSQyzyXI-XX_7QqJ-zuN25FUVp9w2bD8CFGaG1koW8ZreKXHxLtMVEXeRd4OpA78kBNy33jXeq7SI6f0B1xT3HPW0y-J2wGTpHX54jtaLsuJnSJf1M6cOwTBXJjhlddfeah-aR6uGeTMLb87MJTtnlZbhdv2fr9dbV4XmcEpU5ZLkvrFQpVKhXAmxolAHpfuMqCrkNlQFRVFZyQoAvQxjqpHAIGKEJQU_b4t0re-92ppxb78-7ylfoBfo9c-g</recordid><startdate>200809</startdate><enddate>200809</enddate><creator>Beshchasna, N.</creator><creator>Engelien, E.</creator><creator>Uhlemann, J.</creator><creator>Wolter, K.-J.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>200809</creationdate><title>Investigation of thick film electronic packaging materials in dynamic contact with artificial body fluids</title><author>Beshchasna, N. ; Engelien, E. ; Uhlemann, J. ; Wolter, K.-J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i175t-4279e3a03733f1e8da211aee6cb915dfb810bbbfc021561589c23ca1af16ff3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Biological materials</topic><topic>Blood</topic><topic>Chemical analysis</topic><topic>Conducting materials</topic><topic>Electronic equipment testing</topic><topic>Electronics packaging</topic><topic>Fluid dynamics</topic><topic>Materials testing</topic><topic>Plasma properties</topic><topic>Thick films</topic><toplevel>online_resources</toplevel><creatorcontrib>Beshchasna, N.</creatorcontrib><creatorcontrib>Engelien, E.</creatorcontrib><creatorcontrib>Uhlemann, J.</creatorcontrib><creatorcontrib>Wolter, K.-J.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Beshchasna, N.</au><au>Engelien, E.</au><au>Uhlemann, J.</au><au>Wolter, K.-J.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Investigation of thick film electronic packaging materials in dynamic contact with artificial body fluids</atitle><btitle>2008 2nd Electronics System-Integration Technology Conference</btitle><stitle>ESTC</stitle><date>2008-09</date><risdate>2008</risdate><spage>253</spage><epage>258</epage><pages>253-258</pages><isbn>9781424428137</isbn><isbn>1424428130</isbn><eisbn>9781424428144</eisbn><eisbn>1424428149</eisbn><abstract>Thick film electronic packaging materials based on Ag-Pt (C4729), Ag-Pd (C2030) and Pt (LPA 88-11) conductive pastes were tested on their properties under the influence of flowing artificial blood plasma (ABP), artificial cerebrospinal fluid (ACF) and physiological solution (0.9% NaCl) for the evaluation of their biostability grade in vitro. The degradation effects were studied by means of microscopic investigations, measurements of a surface free energy, determination of mass losses and analysis of a chemical content. Materials were stressed in fluid mediums during the periods of up to 60 days at the temperature of 60degC, pH value of (8-10) and flow velocity of 0.15 m/s in systems with a directional flow and by an unidirectional fluid circulation. Based on SEM-EDX analysis, formation of silver sulphide (Ag2S) in form of yellow-brown precipitate has been observed on Ag-Pt surfaces, which were influenced by ABP and ACF; a partly dissolution of Zn and Na particles from pastes glass matrix was supposed. No significant alterations in chemical content were revealed in case of interactions between Ag-Pt thick films and 0.9% NaCl. Ag-Pd surfaces were more stable due to formation of the protection palladium oxide (PdO) film. A very good stability have shown Pt-layers.</abstract><pub>IEEE</pub><doi>10.1109/ESTC.2008.4684358</doi><tpages>6</tpages></addata></record> |
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| identifier | ISBN: 9781424428137 |
| ispartof | 2008 2nd Electronics System-Integration Technology Conference, 2008, p.253-258 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Biological materials Blood Chemical analysis Conducting materials Electronic equipment testing Electronics packaging Fluid dynamics Materials testing Plasma properties Thick films |
| title | Investigation of thick film electronic packaging materials in dynamic contact with artificial body fluids |
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