Abstract:
A projection cathode ray tube has a liquid coolant coupling apparatus whose structure is improved. The projection cathode ray tube includes a funnel having an electron gun in its neck end and a face plate provided with a screen at the other end, a rectangular radiating plate having a frontal glass corresponding to the face plate having the screen inside thereon, and being firmly attached to the face plate, a liquid coolant layer having a predetermined thickness between the face plate and the frontal glass of the radiating plate, a clamping portion coupled by means of a bolt at each corner of the rectangular radiating plate, and a setting clasp having a contacting surface of a predetermined size in contact with the side of the funnel and a spring both provided over each bolt, whereby the setting clasp settles the funnel while pressing.
Abstract:
A semiconductor laser CRT for driving at room temperature, whose target is pumped by an electron beam, in which a laser target is fixed to a beaker-shaped transparent glass support plate, and the glass support plate is sealed with a glass bulb using fused frit glass. Accordingly, there is no cracking of the glass bulb due to a difference in thermal expansion or destroying of a sustained airtight vacuum.
Abstract:
A projection cathode ray tube has a liquid coolant coupling apparatus whose structure is improved. The projection cathode ray tube includes a funnel having an electron gun in its neck end and a face plate provided with a screen at the other end, a rectangular radiating plate having a frontal glass corresponding to the face plate having the screen inside thereon, and being firmly attached to the face plate, a liquid coolant layer having a predetermined thickness between the face plate and the frontal glass of the radiating plate, a clamping portion coupled by means of a bolt at each corner of the rectangular radiating plate, and a setting clasp having a contacting surface of a predetermined size in contact with the side of the funnel and a spring both provided over each bolt, whereby the setting clasp settles the funnel while pressing.