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Cromaclear
Cromaclear is a trademark for CRT technology used by NEC during the mid to late-90s. This adopted the slotted shadow mask and inline electron gun pioneered by the 1966 GE Porta-Color and used by most then-current television tubes to computer monitor use. It was claimed that Cromaclear could offer the image clarity and sharpness of the Trinitron and Diamondtron aperture grille CRTs without the disadvantages e.g. expense and the horizontal damping wires.
== Description ==
The most significant difference between Cromaclear CRTs and existing CRT computer monitor technologies is their phosphor pattern. Older color televisions and most CRT monitors have a pattern of round dots arranged in a triangular mosaic. Slot-mask CRTs have a pattern of stripes in the unlit phosphor that appears to be bricks when in use. The slots block less of the electron beam than dots, resulting in a brighter picture.
With Cromaclear CRTs, the conventional "dot pitch" measurement is no longer as accurate. The term "mask pitch" is more appropriate when discussing this specification. A mask pitch measurement is the distance between like-colored phosphors on a Cromaclear mask. The mask pitch of a Cromaclear screen is 0.25 mm.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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