Coating processes – Electrical product produced – Fluorescent or phosphorescent base coating
Patent
1996-01-22
1997-10-07
Beck, Shrive
Coating processes
Electrical product produced
Fluorescent or phosphorescent base coating
427180, 427189, 427203, 427227, B05D 112, B05D 136, B05D 512
Patent
active
056745540
ABSTRACT:
A method for forming a layer of particles on a substrate, such as a layer of phosphor particles on the inside of a CRT, is described. The depends on the use of a double-sided adhesive tape comprising a laminate of a dry adhesive between two protective layers. One of the protective layers is stripped away to expose one surface of the dry adhesive layer which is then pressed up against the substrate surface using a method such as rolling or autoclaving to bring about bubble-free adhesion. The other protective layer is then stripped away, thereby exposing the other surface of the adhesive layer. The particles that will comprise the final layer are then applied to the exposed adhesive surface by means of dusting. This is followed by the removal of any weakly adhering particles from the final particle layer. Finally, the dry adhesive layer is itself removed by means of a heat treatment, leaving in place a uniform layer of particles adhering to the substrate surface.
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K, Oki & L. Ozawa, "A Phosphor Screen For High Resolution CRTS", Journal of SID, Sep. 1995, p. 1-7.
Liu Nan-Chou David
Lu Jin-Yuh
Ozawa Lyuji
Ackerman Stephen B.
Beck Shrive
Industrial Technology Research Institute
Parker Fred J.
Saile George O.
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