Aremcolox 502-1550-MD is a low-expansion, medium-density zirconia phosphate machinable ceramic for the production of high-temperature heaters and brazing fixtures. Featuring a low coefficient of thermal expansion, it can also be used for induction liners, wafer chucks, optical stands, and combustion nozzles for applications to 1,550°C.
Aremco Products Inc., Box 517, 707-B Executive Blvd., Valley Cottage, NY 10989. (845) 268-0039.

Closed-Loop Quality Management Minimizes the Cost of Quality
Don Jasurda, Vice President, Dimensional Control Systems

Engineering, Freedom, and the 28th Amendment
Karl Stephens

Picking Glass Out of My Eyes
David Mantey, Editor, PD&D