Patent ID: 9136423
Filing Date: 2015-09-15
Classification: H01L,Y02E,Y02P

Abstract:
1. A method to deposit CIGS thin film for solar panel construction comprising: a. providing a first chamber; b. providing a substrate and placing said substrate inside said first chamber; c. providing a metallic target wherein said metallic target is made with elements and/or compounds selected from the group consisting of Cu, CuGa, In, CuIn and CuInGa; d. placing said metallic target inside said first chamber; e. reducing pressure within said first chamber to a pressure of less than 1×10 f. adding sputtering gas into said first chamber after reducing pressure within said first chamber to a pressure of less than 1×10 g. sputtering said elements and/or compounds from said metallic target to said substrate; h. providing a second chamber; i. transferring said substrate from said first chamber to said second chamber after said substrate is sputtered with said elements; j. proving a Se vapor into said second chamber; k. perform vapor deposition as to allow said Se to be deposited on said substrate.