Patent ID: 9534294
Date: 2017-01-03
CPC Classifications: C23C,H01J,Y10T

Claim:
1. A method for cleaning a processing chamber of a flexible substrate processing apparatus without breaking a vacuum in the processing chamber, the method comprising: attaching a sacrificial foil at a start or at an end of a flexible substrate, wherein an end section of the sacrificial foil is attached to a front section of the flexible substrate or wherein a front section of the sacrificial foil is attached to an end section of the flexible substrate, wherein the sacrificial foil is abutting and not overlapping with the flexible substrate, and wherein the sacrificial foil is made of a material that is different than a material of the flexible substrate; guiding the sacrificial foil into the processing chamber; initiating a first pump process in the processing chamber; plasma cleaning the processing chamber at a vacuum from 10 initiating a second pump process in the processing chamber; and guiding the sacrificial foil out of the processing chamber.