发明名称 |
Conductive paste for large greensheet screening including high thixotropic agent content |
摘要 |
Deformation of vias and shorting between vias during screening of conductive paste onto greensheets wider than 185 mm is avoided by a concentration of thixotropic agent in the conductive paste formulation to a concentration which raises the thixotropic index of the paste to within 5% to 25% of the maximum achievable thixotropic index for the organic vehicle in the paste. For a paste containing molybdenum powder in which the organic vehicle is a mixture of ethyl cellulose, texanol and oleoyl sarcosine, this criterion corresponds to a concentration of glycerl tri(-12-hydroxystearate) in the range of 1.4% to 1.8% by weight.
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申请公布号 |
US5783113(A) |
申请公布日期 |
1998.07.21 |
申请号 |
US19970829809 |
申请日期 |
1997.03.27 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
NAYAK, JAWAHAR P.;CROPP, MICHAEL E.;WARGO, JOHN M.;WIER-CAVALIERI, NANCY A.;HUNTER, JR., CHARLES W. |
分类号 |
H01B1/22;H01L23/498;H05K1/09;(IPC1-7):H01B1/20 |
主分类号 |
H01B1/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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