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Early pioneers of LCD projection in Japan were Epson and Sharp, [8] which launched their own color video projector products in 1989. In 1989, Projectavision, Inc. was awarded the first Defense Advanced Research Projects Agency (DARPA) contract – for US$ 1 million – for proposing that the United States high-definition television (HDTV ...
Seiko Epson Corporation, commonly known as Epson, [3] is a Japanese multinational electronics company and one of the world's largest manufacturers of printers and information- and imaging-related equipment.
The smaller field of electron beam writing makes for very slow pattern generation compared with photolithography (the current standard) because more exposure fields must be scanned to form the final pattern area (≤mm 2 for electron beam vs. ≥40 mm 2 for an optical mask projection scanner). The stage moves in between field scans.
The process takes place under vacuum, which makes it suited to manufacture parts in reactive materials with a high affinity for oxygen, e.g. titanium. [3] The process is known to operate at higher temperatures (up to 1000 °C), which can lead to differences in phase formation though solidification and solid-state phase transformation .