Solar cell contact formation using laser ablation
Patent
·
OSTI ID:1195928
The formation of solar cell contacts using a laser is described. A method of fabricating a back-contact solar cell includes forming a poly-crystalline material layer above a single-crystalline substrate. The method also includes forming a dielectric material stack above the poly-crystalline material layer. The method also includes forming, by laser ablation, a plurality of contacts holes in the dielectric material stack, each of the contact holes exposing a portion of the poly-crystalline material layer; and forming conductive contacts in the plurality of contact holes.
- Research Organization:
- SunPower Corporation, San Jose, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC36-07GO17043
- Assignee:
- SunPower Corporation (San Jose, CA)
- Patent Number(s):
- 9,087,939
- Application Number:
- 14/334,401
- OSTI ID:
- 1195928
- Resource Relation:
- Patent File Date: 2014 Jul 17
- Country of Publication:
- United States
- Language:
- English
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