Back to results
US 2013/0171769 A1Published application
Manufacturing method of composite poly-silicon substrate of solar cell
AssigneeInnovation & Infinity Global Corp.
InventorCHAO-CHIEH CHU
Life of this patent
Estimating the term…
Abstract
A manufacturing method of a composite poly-silicon substrate of solar cells includes the following steps: providing a first substrate layer having a purity ranging from 2N to 3N; and forming a second substrate layer on the first substrate layer, where the purity of the second substrate layer ranges from 6N to 9N.
Claims10
A manufacturing method of a composite poly-silicon substrate of solar cells, comprising the steps of:
- providing a first substrate layer having a purity ranging from 2N to 3N;
- and
- forming a second substrate layer on the first substrate layer, wherein the purity of the second substrate layer ranges from 6N to 9N.
Dependencies are inferred from the claim text.