Patent ID: 6896764

Claim:
A vacuum processing apparatus, comprising: a processing chamber in which an article to be processed is processed in a vacuum atmosphere; a main vacuum pump having an intake port and a discharge port, said intake port being connected to said processing chamber to exhaust said processing chamber to a vacuum state; an auxiliary vacuum pump that is connected to the discharge port of said main vacuum pump to exhaust said main vacuum pump to a vacuum state; a mounting platform on which the article to be processed is mounted; heat transfer means for supplying a heat transfer medium to a rear surface side of the article to be processed to improve efficiency of heat transfer from said mounting platform to the article to be processed; and a second intake port that is different from said intake port and is provided on said main vacuum pump, wherein said main vacuum pump is a high back pressure type pump that exhausts said processing chamber to a vacuum state with a predetermined high back pressure value; and said heat transfer medium is exhausted via said second intake port.