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公开(公告)号：JP2002086736A
公开(公告)日：2002-03-26
申请号：JP2000276552
申请日：2000-09-12
Applicant: SONY CORP
Inventor： NAKAMURA ATSUSHI , KAYABA SHINJI , ANDO MASATO , TOKUNAGA HIROSHI , HORII SHINICHI
Abstract: PROBLEM TO BE SOLVED: To reduce as much as possible a position shift between an ink pressurizing chamber having a heating resistor and an ink ejection nozzle corresponding to the ink pressurizing chamber. SOLUTION: In this method, a correction member 4 having a coefficient of linear expansion roughly equal to a coefficient of linear expansion of a substrate member 6 is stuck to a nozzle forming member 2 and then the expansion or contraction of the nozzle forming member 2 due to temperature variation is executed along the coefficient of linear expansion of the substrate member 6. A forming interval L1 of the ink ejection nozzles at a temperature that a print head 1 is used is determined by the following expressions. L1=L2(α2ΔT-1)/(α1ΔT-1) L2: a nozzle interval at the use temperature after the print head is completed α1: a coefficient of linear expansion of the nozzle forming member α2: a coefficient of linear expansion of the correction member T1: a sticking temperature when the nozzle forming member and the correction member are stuck with each other ΔT: a difference between the sticking temperature T1 and the use temperature.
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公开(公告)号：JP2001199074A
公开(公告)日：2001-07-24
申请号：JP2000010342
申请日：2000-01-17
Applicant: SONY CORP
Inventor： IKEMOTO YUICHIRO , ANDO MASATO , YAKURA YUJI
Abstract: PROBLEM TO BE SOLVED: To provide an ink jet printer comprising a line head having high resolution and image quality and low power consumption and cost. SOLUTION: The ink jet printer 100 ejects ink liquid drops from a plurality of nozzles 124a in a line head 120 arranged in the lateral direction across the entire width of a recording medium toward the recording medium and records a character or an image composed of ink dots hitting on the recording medium. The line head comprises a plurality of head chips 121, each having a specified number of nozzles 124a and drive circuits 128 therefor, arranged in the lateral direction such that the nozzles overlap each other. The number of nozzles of each head chip is equal to an integer times of the number of split drive phases of nozzle plus the number of overlapping nozzles.
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公开(公告)号：JP2001171112A
公开(公告)日：2001-06-26
申请号：JP35663799
申请日：1999-12-15
Applicant: SONY CORP
Inventor： ANDO MASATO , TANIGAWA TORU , MURAKAMI TAKAAKI , NISHI SHOTA , YAMADA EMI
Abstract: PROBLEM TO BE SOLVED: To provide a printer, and a method of manufacture, in which production efficiency is enhanced with high accuracy. SOLUTION: The printer head ejecting ink I while mixing with dilute solution DS comprises a first planar member 110 having an ejection orifice 111 formed closely to a constant quantity orifice 112 substantially in the same direction as the constant quantity orifice 112, and a second planar member 120 having a constant quantity ink groove 122 formed substantially perpendicularly to the constant quantity orifice 112 while being connected therewith and bonded to one side 110a of the first planar member 110.
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公开(公告)号：JP2000043295A
公开(公告)日：2000-02-15
申请号：JP23092299
申请日：1999-08-17
Applicant: SONY CORP
Inventor： ANDO MASATO , ITO YOSHIKI , YAMADA EMI
IPC: B41J2/205
Abstract: PROBLEM TO BE SOLVED: To ensure an accurate gradation representation by arranging a plurality of constant quantity nozzles around an ejection medium nozzle so that the openings thereof are contiguous to each other thereby preventing a constant quantity medium and an ejection medium from being mixed through diffusion at the time of waiting ejection. SOLUTION: Pressure chambers 56, 58 for containing a constant quantity medium 45 and an ejection medium 49 are formed in a nozzle plate 41 and an ejection medium nozzle 54 is formed in the thickness direction of the nozzle plate 41 while a constant quantity medium nozzle 53 is formed oblique thereto. Openings of the nozzles are arranged contiguous to each other on the nozzle opening surface, i.e., one major surface 41b, and a plurality of constant quantity nozzles 53 are arranged around an ejection medium nozzle 54. When tapered nozzle parts 63, 65 are provided, channel resistance of the nozzles 53, 54 decreases and a smooth liquid flow is realized thus preventing bubbles from being left at the time of initial filling of dilute solution.
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公开(公告)号：JPH10305571A
公开(公告)日：1998-11-17
申请号：JP5561598
申请日：1998-03-06
Applicant: SONY CORP
Inventor： ANDO MASATO
Abstract: PROBLEM TO BE SOLVED: To represent a gradation accurately by oozing out a fixed quantity of medium from a fixed quantity medium nozzle toward a jetting medium nozzle and then jetting a jetting medium from the jetting medium nozzle thereby jetting the fixed quantity medium and the jetting medium while mixing. SOLUTION: Driving voltage of first and second multilayer piezoelectric elements 43, 44 is raised in two stages and the second time rising of driving voltage is synchronized with the timing at which the liquid level of a fixed quantity medium 45 and a jetting medium 49 is reset to the open end of nozzles 53, 54 thus generating a pressure in the direction for sucking the fixed quantity medium 45 and the jetting medium 49 to the corresponding nozzle 53, 54. Consequently, the speed at which the fixed quantity medium 45 and the jetting medium 49 return back to the forward end of the corresponding nozzle 53, 54 is braked appropriately thus preventing the fixed quantity medium 45 and the jetting medium 49 from leaking through the open end of the nozzles 53, 54. According to the arrangement, accurate quantity of the fixed quantity medium 45 and the jetting medium 49 can be mixed depending on the gradation.
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Patent Agency Ranking
公开(公告)号：JPH09164707A
公开(公告)日：1997-06-24
申请号：JP32998695
申请日：1995-12-19
Applicant: SONY CORP
Inventor： ANDO MASATO
Abstract: PROBLEM TO BE SOLVED: To prevent a shift of a position of coloring liquid due to variation of density of a coloring liquid by correcting the shift of the position of coloring liquid on a printing paper by virtue of the density of the coloring liquid. SOLUTION: A shift of a position of coloring liquid on a printing paper that is varied by a density of a coloring liquid is corrected by shifting ejection timings of the coloring liquid and a carrier liquid to each other. A ROM 16a storing a correction value for correcting an ejection timing of the liquid droplet in accordance with the density of the coloring liquid is provided to a timing control circuit 16 of a control circuit 13. At the rear stages, an ink determination section driver 17a and a carrier liquid ejection driver 17b are further connected thereto. Density data is inputted from an input circuit 14. The timing control circuit 16 executes the correction controlling of the ejection timings of the ink determination section driver 17a and carrier liquid ejection driver 17b on the basis of the density data in accordance with the correction value in the ROM 16a. Thereby, the position of coloring liquid is assured without being shifted.
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公开(公告)号：JPH09141861A
公开(公告)日：1997-06-03
申请号：JP30306895
申请日：1995-11-21
Applicant: SONY CORP
Inventor： KAGAMI TOSHIKI , KIJIMA KOUICHIROU , ANDO MASATO
Abstract: PROBLEM TO BE SOLVED: To improve reliability by controlling the generation of defective print and produce easily with good productivity. SOLUTION: On the side of one main surface 31b of a base member 34 having a pair of main surfaces 34a, 34b which cross at a prescribed angle θ1 , the first nozzle 36 into which the first recording liquid is introduced is opened to face one main surface 31b which is to be a terminal in the intersection direction to form at least one, on the side of the other main surface 34b, the second nozzle 46 into which the second recording liquid is introduced is opened to face one main surface 41b which is to be a terminal in the intersection direction to form at least one. In this process, it is possible that the first and second nozzles 36, 46 are formed on the first and second base members 31, 41 and these are put together with the base member 34. At least one of the first and second nozzles 36, 46 can be formed directly on the base member 34.
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公开(公告)号：JPH0952378A
公开(公告)日：1997-02-25
申请号：JP20874595
申请日：1995-08-16
Applicant: SONY CORP
Inventor： ANDO MASATO , NAGANUMA TORU , AIHARA TAKASHI , OKAMOTO KENJI
Abstract: PROBLEM TO BE SOLVED: To form an image of high resolving power high in the accuracy of density gradation. SOLUTION: At least one or more nozzle sets 80 each formed by providing the first nozzle 80 communicating with a first pressure chamber into which an emitting medium is introduced and the second nozzle 86 communicating with a second pressure chamber into which a quantitative medium is introduced in adjacent relationship are provided so as to be adjacent to each other and liquid repelling processing is applied to at least one of the gap between the first and second adjacent nozzles 84, 86 of the nozzle opening surface of a printing head mixing the emitting medium and quantitative medium from the nozzles to emit them and the gap between the adjacent nozzle sets 80 to form, for example, a first liquid repelling processing part 81 and a second liquid repelling processing part 82. A protruding part is formed to at least one of the gap between the first and second nozzles and the gap between the nozzle sets or a recessed part may be formed to the gap between the first and second nozzles. Further, liquid repelling processing, the protruding part and the recessed part may be combined.
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公开(公告)号：JPH08295013A
公开(公告)日：1996-11-12
申请号：JP10427595
申请日：1995-04-27
Applicant: SONY CORP
Inventor： FUKUDA TOSHIO , ANDO MASATO , ITO KENGO
Abstract: PURPOSE: To improve the fixing properties of ink, inhibit the bleeding of ink and enhance discharge stability by adding at least, a water-soluble organic solvent to a diluent, in a printer which records data by discharging the diluent to a recording medium after mixing the estimated quantities of ink and the diluent. CONSTITUTION: An orifice plate 1 is formed as a laminated plate, a first and a second feed orifice 21, 22 are provided on a first plate 11 (1a), and a nozzle 23 which discharges a mixture of two different types of liquid to be supplied from the first and the second feed orifice 21, 22, is formed on a second plate 12 (1b). A diluent should contain at least, a water-soluble organic diluent, and contain aliphatic monohydric alcohol. The preferable content of this monohydric alcohol is about 5 to 50wt.%. If the content is proper, the monohydric alcohol makes the bleeding uniform, increases the permeability of the mixture into a recording sheet and the evaporative capability of the mixture. Thus an image is better fixed and is of a high quality.
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公开(公告)号：JPH08267760A
公开(公告)日：1996-10-15
申请号：JP7537695
申请日：1995-03-31
Applicant: SONY CORP
Inventor： NAKAYAMA TETSUO , KIJIMA KOUICHIROU , ANDO MASATO , MURAKAMI TAKAAKI
Abstract: PURPOSE: To form a hole having a large inclination angle by using light energy. CONSTITUTION: An irregular part is formed in an energy concentration part of a plate 31 of an article to be processed, by forming a groove 41 in a main face 31a that is to be irradiated with light energy. The irregular part of the article to be processed is formed integrally with other part at the time of ejection forming. Alternatively, the irregular portion may be formed by sand blast processing, chemical etching or a polishing brush. The light energy is preferably laser and, more preferably, excimer laser. The article to be processed may be of organic, inorganic or metallic materials.
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