exposure mask
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mask — [mask, mäsk] n. [Fr masque < It maschera, mascara, a mask, prob. < Ar maskhara, a clown, buffoonery] 1. a covering for the face or part of the face, to conceal the identity 2. anything that conceals or disguises 3. a party, carnival, etc.… … English World dictionary
Phase-shift mask — Phase shift masks are photomasks that take advantage of the interference generated by phase differences to improve image resolution in photolithography. There exist alternating [cite web|url = http://www.freepatentsonline.com/6977127.html | title … Wikipedia
Surgical mask — For other uses, see Respirator. Three surgeons operating with surgical masks. Fitzsimons Army Medical Center, circa. 1990 A surgical mask also known as a procedure mask is intended to be worn by health professionals during surgery and at othe … Wikipedia
Gandhi Behind the Mask of Divinity — Infobox Book name = Gandhi Behind the Mask of Divinity title orig = image caption = Cover page by Prometheus Books. author = Col. G. B. Singh country = United States language = English series = subject = genre = Non Fiction publisher =… … Wikipedia
Terrain mask — equipment.A terrain mask refers to the natural curvature of the earth. It is important as a means of avoiding active radar by positioning the aircraft so there is natural earth hiding it from the radio waves sent from the radar system. For… … Wikipedia
Multiple patterning — is a class of technologies developed for photolithography to enhance the feature density. The simplest case of multiple patterning is double patterning, where a conventional lithography process is enhanced to produce double the expected number of … Wikipedia
Photolithography — For earlier uses of photolithography in printing, see Lithography. For the same process applied to metal, see Photochemical machining. Photolithography (or optical lithography ) is a process used in microfabrication to selectively remove parts of … Wikipedia
Oxygen toxicity — Classification and external resources In 1942–43 the UK Government carried out extensive testing for oxygen toxicity in divers. The chamber is pressurised with air to 3.7 … Wikipedia
Masking (in art) — Contents 1 In painting 1.1 Solid masks 1.2 Liquid masks 2 … Wikipedia
arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… … Universalium
CS gas — IUPAC name … Wikipedia
