Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2007-10-09
2007-10-09
Huffman, Julian D. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S065000
Reexamination Certificate
active
11004939
ABSTRACT:
A photo-curable resin composition, a method of patterning the same, an ink jet head, and a method of fabricating the same. The photo-curable resin composition includes an epoxy compound, a photo-catalyst provided as a photo-initiator, and a non-photo reactive solvent. The photo-catalyst may be a semiconductor material to generate electron-hall pairs using light energy. The semiconductor material is one selected from a group consisting of TiO2, CdS, Si, SrTiO3, WO, ZnO, SnO2, CdSe and CdTe, CdSe and CdTe. The epoxy compound may include a di-functional epoxy compound and a multi-functional epoxy compound. The non-photo reactive solvent may be one or a mixture selected from a group consisting of gamma-butyrolactone (GBL), cyclopentanone, C1-6 acetate, tetrahydrofurane (THF), and xylene. The photo-curable resin composition is patterned to form a fluid channel structure of the ink jet head.
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Korean Office Action dated Nov. 15, 2005 issued in KR 2004-34430.
Ha Young-ung
Kwon Myong-jong
Park Byung-ha
Park Sung-joon
Huffman Julian D.
Mruk Geoffrey S.
Stanzione & Kim LLP
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