UNPOLISHED WORK HOLDING BOARD AND PRODUCTION METHOD THEREOF AND WORK POLISHING METHOD AND DEVICE

摘要

An unpolished work holding board having a high-precision work holding surface obtained by improving materials for the holding board body of an unpolished work holding board which vacuum-sucks/holds a work and for a resin coating spread on a work holding surface, and by developing a resin coating method which does not close with resin through holes in the holding board body; and a production method thereof. An unpolished work holding board provided with a work holding board body having many through holes for vacuum-sucking/holding a work, wherein the holding surface of the holding board body is covered with a coating formed by heat-curing a thermosetting resin spread on the holding surface and the surface of the coating is polished; and a production method thereof.