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In the electron gun material process of SDI, produce various solution including triple carbonate powder, triple carbonate solution(TCS) and electro-deposition solution as well as dipping solution for CRT electron guns. The triple carbonate powder is white, needle-shaped particles co-precipitated with a regular ratio of BaCO3, CaCO3, SrCO3 and dispersed in lacquer (TCS) to coat the cathode of electron guns, playing a major role in emitting electrons. The electro-deposition solution and dipping solution are materials coated on the heater which is inserted into the cathode of electron guns. When they are applied with a certain degree of voltage, the temperature is rising to generate heat which dissolves and activates the TCS of the cathode, and to emit electrons.
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 Triple carbonate¤ýTriple carbonate solution |
Electron emitting material used for all kinds of electron guns Life-span of CRTs lengthened due to new material dispersive method and triple carbonate of high purity Mixing with adhesive solvent to improve adherence on the cap of of the cathode
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| Electro-deposition solution |
Mixing A1203 particles of big and medium-sized with an appropriate ratio to improve strength of the heater and emission of heat Mixing with electrolyte solution to improve adherence onto the heater wire
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| Dipping solution |
Improving heat efficiency by making the heater black
Mixing with adhesive solution to improve adherence onto the heater wire
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CHEMICAL COMPOSITION |
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| Triple Carbonate(C-10 POWDER) |
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(Ba, Ca, Sr)CO3 Powder |
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| TCS |
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(Ba, Ca, Sr)CO3 Soln |
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| Electro-deposition Solution |
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Al203 Soln |
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| Dipping Solution |
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Al203: W Soln |
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