Inventor · disambiguated record
Yonghwa Chris Cha
Also filed as: CHA YONGHWA CHRIS
9 granted patents·3 pending applications·782 citations·filing 1999–2011
92Inventor score
Top patents by PatentIndex Score
12 records- 0197US7951637B2Back contact solar cells using printed dielectric barrierAPPLIED MATERIALS INC·Filed 2009·Granted May 31, 2011·68 cites·19 claims
- 0296US7416979B2Deposition methods for barrier and tungsten materialsAPPLIED MATERIALS INC·Filed 2006·Granted Aug 26, 2008·95 cites·38 claims
- 0396US6740585B2Barrier formation using novel sputter deposition method with PVD, CVD, or ALDAPPLIED MATERIALS INC·Filed 2002·Granted May 25, 2004·477 cites·39 claims
- 0495US7611990B2Deposition methods for barrier and tungsten materialsAPPLIED MATERIALS INC·Filed 2008·Granted Nov 3, 2009·44 cites·25 claims
- 0594US8183081B2Hybrid heterojunction solar cell fabrication using a metal layer maskWEIDMAN TIMOTHY W·Filed 2009·Granted May 22, 2012·23 cites·15 claims
- 0691US8309446B2Hybrid heterojunction solar cell fabrication using a doping layer maskWEIDMAN TIMOTHY W·Filed 2009·Granted Nov 13, 2012·15 cites·21 claims
- 0791US8207005B2Forming solar cells using a patterned deposition processWEIDMAN TIMOTHY W·Filed 2011·Granted Jun 26, 2012·12 cites·17 claims
- 0876US6660135B2Staged aluminum deposition process for filling viasAPPLIED MATERIALS INC·Filed 2001·Granted Dec 9, 2003·21 cites·35 claims
- 0965US6352620B2Staged aluminum deposition process for filling viasAPPLIED MATERIALS INC·Filed 1999·Granted Mar 5, 2002·27 cites·28 claims
- 1040US2004211665A1Barrier formation using novel sputter-deposition methodFiled 2004·Application pending·0 cites
- 1139US2003029715A1An Apparatus For Annealing Substrates In Physical Vapor Deposition SystemsAPPLIED MATERIALS INC·Filed 2001·Application pending·0 cites
- 1236US2003015421A1Collimated sputtering of cobaltAPPLIED MATERIALS INC·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →