Lapkin K Cheng, 6466 Cypress Bridge Pl, Bear, DE 19701
Lapkin Cheng Phones & Addresses
66 Cypress Bridge Pl, Bear, DE 19701 302-3223269
Saint James City, FL
Acton, MA
Newark, DE
Randolph, MA
Lee, FL
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Us Patents
Aluminum Paste Compositions Comprising Siloxanes And Their Use In Manufacturing Solar Cells
US Patent:
2012015, Jun 21, 2012
Filed:
Dec 16, 2010
Appl. No.:
12/969951
Inventors:
LAPKIN K. CHENG - BEAR DE, US
MARK GERRIT ROELOFS - EARLEVILLE MD, US
MARK GERRIT ROELOFS - EARLEVILLE MD, US
Assignee:
E. I. DU PONT DE NEMOURS AND COMPANY - Wilmington DE
International Classification:
H01L 31/0224
H01L 31/18
H01B 1/22
H01L 31/18
H01B 1/22
US Classification:
136256, 252512, 438 98, 257E31124
Abstract:
Disclosed are aluminum paste compositions, processes to form solar cells using the aluminum paste compositions, and the solar cells so-produced. The low-siloxane aluminum paste compositions consist essentially of 0.005-2.6%, by weight of at least one siloxane; 44.5-84.9%, by weight of an aluminum powder; 0.05-5.8% of an optional indium-free additive; and 15-50%, by weight of an organic vehicle, wherein the amounts in % by weight are based on the total weight of the aluminum paste composition. The high-siloxane aluminum paste compositions comprise 15-68%, by weight of at least one siloxane; 25-84.9%, by weight of an aluminum powder; 0.1-10%, by weight of an organic vehicle.
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