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公开(公告)号：DE69231773D1
公开(公告)日：2001-05-10
申请号：DE69231773
申请日：1992-10-21
Applicant: CANON KK
Inventor： ORIKASA TSUYOSHI , ICHIKAWA FUMIO , MASUDA KAZUAKI , MAEOKA KUNIHIKO , WATANABE TAKASHI , SATO OSAMU , GOTO AKIRA
Abstract: An ink jet recording head is produced by forming in a first substrate (308) a plurality of orifices (317) for ejecting an ink droplet and a reference object for registration; forming in a second substrate (307) ejection energy generating elements (315) for supplying energy for ejecting the ink placed in liquid passages (314) communicating with the orifices (317); and joining the first substrate 308 and the second substrate (307) together on the basis of the reference object for registration.
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公开(公告)号：DE69231408T2
公开(公告)日：2001-02-15
申请号：DE69231408
申请日：1992-05-13
Applicant: CANON KK
Inventor： SHIBATA MASARU , ICHIKAWA FUMIO , SAITO ASAO , YAMANAKA AKIHIRO
IPC: B41J2/01 , B41J2/04 , B41J25/34 , B41J29/393 , H04N1/407
Abstract: A table having a plurality of holding portions for holding recording heads to be tested is arranged to be pivotal between a printing position and a changing position, so that the recording head located at the changing position can be changed during estimation of the recording head located at the printing position. An estimation pattern in which dots are arranged so as not to contact each other is printed on a recording medium by the recording head held by the holding portion located at the printing position. The printed estimation pattern is read by an image pick-up device, and character amounts in units of dots are extracted from image data obtained by the image pick-up device. Pattern estimated values are calculated according to the dot character amounts, and whether or not the recording head is normal is judged on the basis of the calculated pattern estimated values. Another estimation pattern is printed on the recording medium. The printed pattern is read by the image pick-up device, and an edge image is extracted from density image data obtained by the image pick-up device. After enlargement/reduction processing is performed for the edge image, an edge image is extracted again. Shape character values in units of areas separated by edge lines of the edge image are obtained, and the pattern and a stain if any are discriminated based on the shape character values, thereby detecting a stain state. A one-dimensional average density in the line direction of the pattern is obtained from the density image data, and a line width is obtained based on the average density. A stain is detected on the basis of the line width. Thus, whether or not a recording head is normal is estimated.
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公开(公告)号：DE69322186T2
公开(公告)日：1999-07-08
申请号：DE69322186
申请日：1993-02-12
Applicant: CANON KK
Inventor： KATO MASATOSHI , TOBO YOZO , ICHIKAWA FUMIO , AZUMA JUN , UEMURA HIDEAKI
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公开(公告)号：DE69130854T2
公开(公告)日：1999-08-05
申请号：DE69130854
申请日：1991-11-19
Applicant: CANON KK
Inventor： INABA MASAKI , KOHNO HIROSHI , ICHIKAWA FUMIO , MASUDA KAZUAKI , WATANABE TAKASHI , ORIKASA TSUYOSHI , NISHIWAKI MASAYUKI , TSUDA TOSHIO , GOTO AKIRA
Abstract: In a laser process apparatus, a plurality of holes (Hn) each having a predetermined shape are formed in a work (W) upon radiation of light from an excimer laser (10). the apparatus is provided with a mask (30), in which a plurality of predetermined small holes (31) are formed in correspondence with the plurality of holes (Hn) to be formed in the work (W), and which allows laser light from said excimer laser (10) to pass through said small holes (31) thereof toward the work (W), a projection optical system (50) for projecting optical images each having a predetermined shape onto the work (W) through the small holes (31) of said mask (30), a measurement optical system (70, 80) for measuring a work position, and a moving stage (120) for moving the work (W) on the basis of a measurement result form said measurement optical system (70, 80).
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公开(公告)号：DE69224421D1
公开(公告)日：1998-03-19
申请号：DE69224421
申请日：1992-10-21
Applicant: CANON KK
Inventor： ORIKASA TSUYOSHI , ICHIKAWA FUMIO , MASUDA KAZUAKI , MAEOKA KUNIHIKO , WATANABE TAKASHI , SATO OSAMU , GOTO AKIRA
Abstract: An ink jet recording head is produced by forming in a first substrate (308) a plurality of orifices (317) for ejecting an ink droplet and a reference object for registration; forming in a second substrate (307) ejection energy generating elements (315) for supplying energy for ejecting the ink placed in liquid passages (314) communicating with the orifices (317); and joining the first substrate 308 and the second substrate (307) together on the basis of the reference object for registration.
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Patent Agency Ranking
公开(公告)号：AT200251T
公开(公告)日：2001-04-15
申请号：AT96112301
申请日：1992-10-21
Applicant: CANON KK
Inventor： ORIKASA TSUYOSHI , ICHIKAWA FUMIO , MASUDA KAZUAKI , MAEOKA KUNIHIKO , WATANABE TAKASHI , SATO OSAMU , GOTO AKIRA
Abstract: An ink jet recording head is produced by forming in a first substrate (308) a plurality of orifices (317) for ejecting an ink droplet and a reference object for registration; forming in a second substrate (307) ejection energy generating elements (315) for supplying energy for ejecting the ink placed in liquid passages (314) communicating with the orifices (317); and joining the first substrate 308 and the second substrate (307) together on the basis of the reference object for registration.
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公开(公告)号：DE69322186D1
公开(公告)日：1999-01-07
申请号：DE69322186
申请日：1993-02-12
Applicant: CANON KK
Inventor： KATO MASATOSHI , TOBO YOZO , ICHIKAWA FUMIO , AZUMA JUN , UEMURA HIDEAKI
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公开(公告)号：AT169565T
公开(公告)日：1998-08-15
申请号：AT91118613
申请日：1991-10-31
Applicant: CANON KK
Inventor： INABA MASAKI , ICHIKAWA FUMIO , SATOI TSUNENOBU , HARUYAMA HIROSHI , BABA TSUYOSHI , ORIKASA TSUYOSHI , OHBA TAKASHI
Abstract: An ink-jet head assembling apparatus (10) assembles a nozzle head of an ink-jet head for discharging an ink in a predetermined pattern from a heater board (102) having a plurality of heaters for heating the ink, and a top plate member (104) having a plurality of discharge orifices for discharging the ink heated by the corresponding heaters in a jet-like manner. The apparatus is provided with a first position detection mechanism (40) for measuring forming positions of the discharge orifices of said top plate member (104), a second position detection mechanism (42) for detecting arranging positions of the heaters on said heater board (102), a position adjustment mechanism for comparing a first detection result detected by said first position detection mechanism (40) with a second detection result detected by said second position detection mechanism (42), and moving said top plate member relative to said heater board by a shift amount between the two detection results so as to align the positions of the heaters with the positions of the corresponding discharge orfices, and an adhesion mechanism for adhering said top plate member and said heater board aligned by said position adjustment mechanism to each other.
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公开(公告)号：DE69224421T2
公开(公告)日：1998-07-02
申请号：DE69224421
申请日：1992-10-21
Applicant: CANON KK
Inventor： ORIKASA TSUYOSHI , ICHIKAWA FUMIO , MASUDA KAZUAKI , MAEOKA KUNIHIKO , WATANABE TAKASHI , SATO OSAMU , GOTO AKIRA
Abstract: An ink jet recording head is produced by forming in a first substrate (308) a plurality of orifices (317) for ejecting an ink droplet and a reference object for registration; forming in a second substrate (307) ejection energy generating elements (315) for supplying energy for ejecting the ink placed in liquid passages (314) communicating with the orifices (317); and joining the first substrate 308 and the second substrate (307) together on the basis of the reference object for registration.
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公开(公告)号：CA2055899A1
公开(公告)日：1992-05-22
申请号：CA2055899
申请日：1991-11-20
Applicant: CANON KK
Inventor： INABA MASAKI , KOHNO HIROSHI , ICHIKAWA FUMIO , MASUDA KAZUAKI , WATANABE TAKASHI , ORIKASA TSUYOSHI , NISHIWAKI MASAYUKI , TSUDA TOSHIO , GOTO AKIRA
Abstract: In a laser process apparatus, a plurality of holes (Hn) each having a predetermined shape are formed in a work (W) upon radiation of light from an excimer laser (10). the apparatus is provided with a mask (30), in which a plurality of predetermined small holes (31) are formed in correspondence with the plurality of holes (Hn) to be formed in the work (W), and which allows laser light from said excimer laser (10) to pass through said small holes (31) thereof toward the work (W), a projection optical system (50) for projecting optical images each having a predetermined shape onto the work (W) through the small holes (31) of said mask (30), a measurement optical system (70, 80) for measuring a work position, and a moving stage (120) for moving the work (W) on the basis of a measurement result form said measurement optical system (70, 80).
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