The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 11, 2018
Filed:
Mar. 14, 2014
Sunpower Corporation, San Jose, CA (US);
Xi Zhu, Milpitas, CA (US);
SunPower Corporation, San Jose, CA (US);
Abstract
Methods and structures for forming a contact region on a solar cell are presented. The solar cell can have a front side which faces the sun during normal operation, and a back side opposite the front side and a silicon substrate. The silicon substrate can include at least one doped region a dielectric layer formed over the doped region. The solar cell can also include a first metal contact, such as an electrolessly plated metal contact, within a contact region through a first dielectric layer and on the doped region. The solar cell can include a printed metal, such as aluminum, formed or deposited on the first metal contact. The solar cell can include a first metal layer having a first metal contact and the first printed metal. The solar cell can include a second metal layer, such as an electrolytically electroplated metal layer, formed on the first metal layer.