CRYSTAL CUTTER

Domain	Definition
Occupations	Operates precision saws to slice wafers from semiconductor crystal ingots, such as silicon or gallium arsenide: Attaches mounted crystal to holding fixture of automatic feed on saw, using clamps. Adjusts saw controls to set speed and angle of saw blade, thickness of cut, and angle of holding fixture. Operates saw to cut sample wafer from crystal ingot. Measures $T3crystal orientation$T1 of sample wafer, using x-ray machine, and measures thickness of sample wafer, using calipers or thickness gauge. Inspects sample wafer for flaws, such as saw marks, chips, bow, and taper. Readjusts saw controls based on measurements and inspection. Starts saw and observes operation of saw to ensure wafers are sliced according to specifications. Removes sliced wafers from saw and cleans wafers in sink or ultrasonic cleaner. May mount crystal ingot to mounting block [CRYSTAL MOUNTER (electron. comp.) 677.687-014]. May be designated according to type of saw operated as V-Block Saw Operator (electron. comp.); Wire Saw Operator (electron. comp.). (references)
	Grinds improperly fitting watch crystals to specified size and to remove rough or chipped edges, using abrasive wheel. Brushes crystal with lacquer and dries crystal under heat lamp to protect surface of crystal. Examines and measures crystals to ensure conformance to specifications, using loupe, calipers, and micrometer. (references)
Source: compiled by the editor from various references; see credits.

Anagrams: CRYSTAL CUTTER

Scrabble® Enable2K-Verified Anagrams
	Words within the letters "a-c-c-e-l-r-r-s-t-t-t-u-y"
	-5 letters: astutely, clatters, clattery, clustery, clutters, cluttery, cultrate, cytaster, lustrate, rattlers, retracts, scarcely, startler, strutter, tartlets, tattlers, treasury, turtlers, tutelars, tutelary.
Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.