Job Description:

• 1) Performs any combination of following tasks involved in finishing and inspecting metal phonograph matrices after electroplating processes: Strips master, mother, and stamper matrices, using handtools, files, and knife.

• 2) Holds matrices against sanding belt or grinding wheel of bench grinder to remove burrs.

• 3) Punches center hole in stamper and mother matrices, using punch press.

• 4) Fills offcenter holes with solder, using soldering iron or acetylene torch.

• 5) Steam cleans and polishes matrices, using brushes, cloths, and polishing compounds.

• 6) Examines stamper matrices for defects, and weighs matrices to ensure conformance to standards, using scale.

• 7) Cuts and flares edges of stamper matrices, using press.

• 8) Marks identifying information on master matrices, using scribe.