Invention Grant
- Patent Title: Thermal head and printer
- Patent Title (中): 热敏头和打印机
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Application No.: US12586990Application Date: 2009-09-30
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Publication No.: US08169452B2Publication Date: 2012-05-01
- Inventor: Toshimitsu Morooka , Keitaro Koroishi , Yoshinori Sato , Noriyoshi Shoji , Norimitsu Sanbongi
- Applicant: Toshimitsu Morooka , Keitaro Koroishi , Yoshinori Sato , Noriyoshi Shoji , Norimitsu Sanbongi
- Applicant Address: JP
- Assignee: Seiko Instruments Inc.
- Current Assignee: Seiko Instruments Inc.
- Current Assignee Address: JP
- Agency: Adams & Wilks
- Priority: JP2008-258696 20081003
- Main IPC: B41J2/335
- IPC: B41J2/335
Abstract:
A thermal head has a heat storage layer bonded onto a surface of the substrate, a heating resistor provided on the heat storage layer, and a pair of electrode portions connected to the heating resistor. The heating resistor has a heating portion which does not overlap the pair of electrode portions. A hollow portion is provided in a region of at least one of the surface of the substrate and a surface of the heat storage layer, the region being opposed to the heating resistor. A center line of the hollow portion is shifted with respect to a center line of a heating portion of the heating resistor.
Public/Granted literature
- US20110074902A1 Thermal head and printer Public/Granted day:2011-03-31
Information query
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