Patent ID: 6030508
Filing Date: 2000-02-29
Classification: H01J,Y10T

Abstract:
A method for attaching a gas baffle that comprises a disk having smooth unbroken, upper and lower surfaces, to the inside of a sputtering shield comprising:providing a first disk-shaped plate that has smooth unbroken surfaces;drilling first holes through said first plate and countersinking said first holes on one side;drilling a second hole, centrally located, through said first plate and then threading said second hole;providing flat-head screws, passing said screws through said first holes and then screwing said screws into said sputtering shield to a depth sufficient to firmly attach said gas baffle to the inside of said sputtering shield while at the same time positioning the gas baffle to be a fixed distance from the sputtering shield;providing a second disk-shaped plate that has upper and lower smooth unbroken surfaces;attaching a threaded rod, formed on said second disk-shaped plate, normal to the center of the upper surface of said second plate; andscrewing said threaded rod into said second hole.