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A mask shop is a factory which manufactures photomasks for use in the semiconductor industry. There are two distinct types found in the trade. Captive mask shops are in-house operations owned by the biggest semiconductor corporations, while merchant mask shops make masks for most of the industry. Merchant mask shops will produce photomasks for a variety of integrated device manufacturers (IDMs) or optical device companies in addition to providing excess cavity work and re-pellicle for captive mask shops. The company structure is similar to that of any medium sized manufacture and has the following unique departments or mask makers: *Sales Customer / customer services *Front end data prep *Facilities maintenance - plant & environment *Engineering - equipment maintenance *Engineering - process, inspection & metrology *Quality assurance *Shipping & dispatching ==Photomask market == The worldwide photomask production market was $3.1 billion in 2013. Almost half of market attributed to captive mask shops (in-house mask shops of major chipmakers). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Mask shop」の詳細全文を読む スポンサード リンク
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