Patent ID: 9666745
Date: 2017-05-30
CPC Classifications: C23C,H01L,Y02E,Y02P

Claim:
1. An apparatus for forming a compound film layer that comprises a CIGS material, comprising: a deposition chamber comprising a deposition zone; a flexible substrate having a deposition surface and a non-deposition surface, wherein the flexible substrate comprises a metal-containing layer that has a surface that forms at least part of the deposition surface; a substrate transport device that is configured to transfer the flexible substrate in a first direction through the deposition zone of the deposition chamber when forming the compound film layer; a deposition source block disposed in the deposition zone, comprising: a measurement device having an x-ray detector and either an x-ray source or an electron source that are positioned over the non-deposition surface of the flexible substrate and directly over the deposition source block within the deposition zone, wherein the non-deposition surface is opposed to the deposition surface of the flexible substrate, and the flexible substrate is disposed between the measurement device and the deposition source block; and a controller that is configured to: