Glass manufacturing – Processes – With chemically reactive treatment of glass preform
Patent
1992-11-12
1994-05-24
Jones, W. Gary
Glass manufacturing
Processes
With chemically reactive treatment of glass preform
65 33, 430323, 430330, C03B 3202
Patent
active
053145224
ABSTRACT:
Method of processing a photosensitive glass used in the head of an ink jet printer, including the steps of exposing the glass by a XeCl excimer laser to write a desired pattern into the front surface of the glass, with the laser emitting plural pulses to the glass and the energy of each laser pulse being 1 to 50 mJ/cm.sup.2 such that the exposed portions which will become crystallized portions do not extend through the thickness of the glass; thermally developing the exposed portions to crystallize the exposed portions; and etching away the crystallized portions so that grooves are formed in the glass according to the exposing pattern.
REFERENCES:
patent: 2628160 (1953-02-01), Stookey
patent: 3473927 (1969-10-01), Loose
patent: 4092166 (1975-05-01), Olsen
Barth, Karl-Abstract from Journal of American Ceramic Society Ceramic Abstracts, Oct. 1961 vol. 44 p. 238.
"Practical Surface Technologies", No. 11, 1988, Takashi Matsurra, Photo Chemically Machinable Glass Ceramics (Japanese language copy plus English translation thereof attached hereto).
Schott Product Information No. 4844/2e, Forturan Intricate-shaped glass and glass-ceramic components.
Kondo Nobuhiro
Ono Hirokazu
Hoffmann John R.
Jones W. Gary
Seikosha Co. Ltd.
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