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1. 发明专利

JPH09210947A STORING METHOD FOR CHEMICAL SENSOR 失效
公开(公告)号：JPH09210947A
公开(公告)日：1997-08-15
申请号：JP1970996
申请日：1996-02-06
申请人： FUJITSU LTD
发明人： SUZUKI HIROAKI
IPC分类号： G01N27/28 , G01N27/404
摘要： PROBLEM TO BE SOLVED: To store a chemical sensor having electrolytic solution for a long time stably irrespective of varying outside atmosphere by encapsulating an aqueous solution in which an aqueous substance is dissolved, gel-form substance containing aqueous solution, or hydrophilic fibers in a preserving vessel together with the chemical sensor. SOLUTION: A preserving vessel 1 is formed in a cylindrical shape of 50mm high and approx. 10mm in diameter. When an oxygen sensor 3 in the form of a strip of 2mm wide and 15mm high is to be stored in this vessel 1, a 0.8-M sodium chloride aqueous solution 4 approx. 20μl is dripped in it 1 using a micro-pippet, wherein the oxygen sensor 3 is located so as not to touch the aqueous solution 4. In the case such a risk exists that the aqueous solution 4 is contained in the electrolytic solution in the sensor 3, it 3 is placed on a supporting table 5. Two-wt.% gelatine is dissolved in the aqueous solution 4 and heated, and its amount approx. 1/2 thru 1/3 of the internal capacity is injected and left to be turned in a gel-form substance 6, on which the sensor 3 is placed. It may also be acceptable that the gelatine has softness with its amount of dissolution around one wt.% and thereto the sensor 3 is stuck. Further, the surface area of this gel-form substance 6 is increased, and the evaporating or absorbing quantity of the water contained in the solution is increased, and variation in the vapor pressure at opening and closing a lid 2 is suppressed.

2. 发明专利

JPH09182738A OXYGEN ELECTRODE AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH09182738A
公开(公告)日：1997-07-15
申请号：JP34226995
申请日：1995-12-28
申请人： FUJITSU LTD
发明人： SUZUKI HIROAKI
IPC分类号： G01N27/404 , A61B5/145 , A61B5/1473 , A61B5/14
摘要： PROBLEM TO BE SOLVED: To provide an oxygen electrode to be miniaturized, by adhering an electrode substrate to a vessel substrate, and forming the vessel substrate by equipping a first dent on first and second electrodes, equipping an opening the first dent. SOLUTION: On a lower substrate 9A, a cathode 3 is equipped, a lead wire 12A, which is the first electrode, and pad 8A connected with the cathode are formed. The surface of the lead wire 12A is covered by polyimide and an anode 4, which is connected to a lead wire 12B to be the second electrode, is formed thereon. On the lower substrate 9 made in such a manner, an upper substrate 1 to form a vessel is adhered. On a dent 16 of the substrate 1, a slit opening 21 is equipped on the upside of one of the lead wires 12A and 12B, and the opening 21 is covered by oxygen transmitting membrane 24. Thus, the area necessary for electrodes and wiring can be reduced and miniaturization can be accomplished.

3. 发明专利

JPH07129694A HEALTH MANAGEMENT DATA PROCESSOR 失效
公开(公告)号：JPH07129694A
公开(公告)日：1995-05-19
申请号：JP27873293
申请日：1993-11-09
申请人： FUJITSU LTD
发明人： SUGAMA AKIO , SUZUKI HIROAKI
IPC分类号： G06F19/00 , G06Q50/22 , G06Q50/24 , G16H10/60
摘要： PURPOSE:To constitute the processor so that it is directly connected to a sensor and can execute an information processing with regard to health management data. CONSTITUTION:This processor is provided with at least a means for displaying measured data measured by a sensor part 1 and time data from a clock part 2 on a display part 4, a means for storing this data in a storage part 3 and holding it so that it can be read out, and a means for comparing the measured data with a standard value or the previous in a deciding part 5, deciding its quality and displaying it on the display part 4.

4. 发明专利

JPH0510916A COMPACT GLASS ELECTRODE 失效
公开(公告)号：JPH0510916A
公开(公告)日：1993-01-19
申请号：JP16475091
申请日：1991-07-05
申请人： FUJITSU LTD
发明人： SUZUKI HIROAKI , SUGAMA AKIO , KOJIMA NAOMI
IPC分类号： G01N27/36 , B81B1/00
摘要： PURPOSE:To develop a compact glass electrode by using micromachining technology. CONSTITUTION:A compact glass electrode is constituted by sticking a glass substrate 1 and a silicon substrate 2. The glass substrate 1 is formed by embedding a reference electrode 3 comprising silver/silver chloride and a old pad 5 which is connected to the reference electrode 3 as a circuit. In the silicon substrate 2, the (100) face is selectively etched by using micromachining technology, and an injecting groove 6 for electrolyte comprising buffer solution of potassium chloride, a holding hole 7 for the electrolyte and thin glass film 8 at the corresponding part of the reference electrode 3 are provided. The electrolyte is injected into the holding hole 7 for the electrolyte through the injecting groove 6. A glass film 8 is bonded to the silicon substrate 1 by heating.

5. 发明专利

JPH04290954A OXYGEN ELECTRODE 失效
公开(公告)号：JPH04290954A
公开(公告)日：1992-10-15
申请号：JP7821691
申请日：1991-03-19
申请人： FUJITSU LTD
发明人： SUGAMA AKIO , SUZUKI HIROAKI , KOJIMA NAOMI
IPC分类号： G01N27/404
摘要： PURPOSE:To simplify the manufacturing processes for oxygen electrodes, prolong the lifetime, and suppress the cost by forming an electrode pattern on a base board in the form of a flat plate, filling the oxygen electrode part of this pattern with a substance containing electrolyte, and covering the area with a gas penetrative film. CONSTITUTION:Electrodes 2 are formed at one end of an insulative base board 1 in the form of flat plate, and at its other end card edge parts 3 are formed in a lump to serve for connections with a card edge connector. That part of electrode pattern which works as oxygen electrode is filled with a substance containing high-polymer electrolyte, and this is covered with a gas penetrative film. The invention is applicable to any type such as Clarke type, galvanic type, and three-pole configuration type, provided that the oxygen must be sensed electrochemically. The base board 1 in a short plate form may be of glass because of its good availability. The electrode pattern may be formed by plating, vacuum evaporation, sputtering, or ion plating, etc.

6. 发明专利

JPH046456A OXYGEN ELECTRODE AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH046456A
公开(公告)日：1992-01-10
申请号：JP10638390
申请日：1990-04-24
申请人： FUJITSU LTD
发明人： SUZUKI HIROAKI , SUGAMA AKIO , KOJIMA NAOMI
IPC分类号： G01N27/404 , B81B1/00 , B81C1/00
摘要： PURPOSE:To prevent the breakdown of a gas transmitting film for a long time and to make it possible to manufacture a compact electrode by providing a first substrate on the surface of which electrodes are formed, providing a second substrate wherein a hole is provided at a region corresponding to parts of the electrodes of the first substrate and a groove for communicating the hole and the end parts is provided so that the second substrate is bonded to the first substrate, and providing a gas transmitting film covering the hole. CONSTITUTION:Electrodes 3A and 3B are formed on a first substrate 1. A part of the substrate is exposed so that connection to another device is possible. A second substrate 2 wherein a hole 4 is provided at a region corresponding to the regions of respective parts of the electrodes 3A and 3B is provided. An electrolyte injecting grooves 5 for communicating the hole 4 and the end parts is formed on the surface which is bonded to the first substrate 1. An exposed gas transmitting film 6 is formed at a region which covers at least the hole 4 on the upper surface of the substrate 2. In the case of a galvanic type, one electrode of two electrodes is formed of gold or platinum and becomes a cathode. The other electrode is formed of silver or lead and becomes an anode. In the case of a polar type, both electrodes are formed of gold or platinum.

7. 发明专利

JPH03269254A SMALL-SIZED OXYGEN ELECTRODE AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH03269254A
公开(公告)日：1991-11-29
申请号：JP6730290
申请日：1990-03-19
申请人： FUJITSU LTD
发明人： SUZUKI HIROAKI , SUGAMA AKIO , KOJIMA NAOMI
IPC分类号： G01N27/404 , B81B1/00 , B81C1/00 , G01N27/327
摘要： PURPOSE:To omit an electrolyte layer and to prevent the deterioration due to the formation of a gas transmitting film by sticking an electrolyte containing part and an electrode forming part comprising a plurality of electrodes whose parts are extending into a groove through an insulating film. CONSTITUTION:A plurality of substrates 1 are provided. One substrate 1 is an electrolyte containing part comprising an electrode containing groove 5 and a gas transmitting film 10 which is formed on the surface of the groove 5. The other substrate 1 is an electrode forming part comprising a plurality of electrodes 3a and 3b whose parts are extending into the groove 5. A plurality of the above described substrates 1 are stuck together through an insulating film 2. The groove 5 of one substrate 1 is formed by anisotropic etching, and the rear surface is covered with a hydrophobic insulator 7 which is hard to break. The groove 5 is filled with electrolyte when the electrodes 3a and 3b are used. Therefore, electrolyte is not formed, and the gas transmitting film 10 is not deteriorated.

8. 发明专利

JPH03262953A FORMATION OF ELECTROLYTE PATTERN 失效
公开(公告)号：JPH03262953A
公开(公告)日：1991-11-22
申请号：JP6109090
申请日：1990-03-14
申请人： FUJITSU LTD
发明人： TAKEI FUMIO , SUZUKI HIROAKI , SUGAMA AKIO , KOJIMA NAOMI
IPC分类号： G01N27/416 , C08F2/46 , C08F2/48 , G03F1/68 , G03F1/80 , G03F7/26 , H01L49/00
摘要： PURPOSE:To improve the productivity of an electrolyte pattern by applying a high-polymer material which is decomposed and ionized by photoirradiation to an electrolyte pattern forming region and removing the unnecessary high- polymer material in the region where the pattern is not formed, then ionizing the high-polymer material. CONSTITUTION:A platinum cathode electrode 2 and a silver anode electrode 3 are formed on a glass substrate 1 and a photosensitive electrolyte compsn. 4 is applied thereon and is dried to form a film of 50mum thickness. A photomask 5 for irradiating the parts exclusive of the electrodes 2, 3 is disposed above the substrate 1 and is irradiated with the light of a mercury lamp to form the electrolyte pattern only in the parts not irradiated with the light; thereafter, the above-mentioned pattern parts are ionized. An oxygen permeable film material is applied on the surface of the substrate 1 to form an oxygen permeable film 6 (20mum thickness). The formation of the electrolyte layer which plays the most important role at the time of formation of an electrochemical measuring element and more particularly the oxygen electrode is executed by the photoirradiation in this way.

9. 发明专利

JPH03217458A ELECTROLYTIC COMPOSITION INSOLUBILIZED BY LIGHT, PATTERN FORMING METHOD USING THEREOF AND PRODUCTION OF ELECTRODE ELEMENT 失效
公开(公告)号：JPH03217458A
公开(公告)日：1991-09-25
申请号：JP1177490
申请日：1990-01-23
申请人： FUJITSU LTD
发明人： TAKEI FUMIO , SUZUKI HIROAKI , SUGAMA AKIO , KOJIMA NAOMI
IPC分类号： G01N27/404 , C08F2/46 , C08F2/48 , C08F2/50 , C08F291/00 , C08K5/45 , C08L101/02 , C08L101/12 , C09D4/00 , G01N27/02 , G01N27/327 , G01N27/416 , G03F7/008 , G03F7/038 , H01B1/06
摘要： PURPOSE:To obtain a composition having high sensitivity to be insolubilized with light irradiation and excellent film-forming property and giving an electrode element with forming a stable electrolyte pattern containing a polymeric electrolyte, a crosslinking agent for bisazide-based monomer and a sensitizer. CONSTITUTION:A polymeric electrolyte is mixed with a crosslinking agent for bisazide-based monomer and a sensitizer. Next, a base plate is coated with resultant solution and an electrolyte pattern insoluble in a solvent is formed with locally irradiating light. Otherwise, a base plate is coated with said solution and a part connecting between electrodes is irradiated with light, then an electrolyte pattern insoluble in a solvent is formed, thus said electrolyte of the pattern is solubilized by bringing into contact with an oxidizing atmosphere and an oxygen-permeable membrane is applied on the electrolyte pattern.

10. 发明专利

JPH0320304A PRODUCTION OF POLYELECTROLYTE LAYER 失效
公开(公告)号：JPH0320304A
公开(公告)日：1991-01-29
申请号：JP15520789
申请日：1989-06-15
申请人： FUJITSU LTD
发明人： TAKEI FUMIO , SUZUKI HIROAKI , SUGAMA AKIO , KOJIMA NAOMI
IPC分类号： G01N27/404 , B29C67/00 , C08F2/00 , C08F2/46 , C08F2/48 , C08F2/50 , C08F20/04 , C08F20/10 , C08F20/20 , C08F20/52 , C08F20/54 , C08F120/04 , C09D4/00 , H01B5/14 , H01B13/00
摘要： PURPOSE:To form a polyelectrolyte layer by light irradiation by forming any desired pattern on a substrate coated with a composition comprising a polyelectrolyte, a vinyl monomer and a photoreaction initiator by irradiating the substrate with ultraviolet rays to insolubilize the monomer. CONSTITUTION:A composition is obtained by adding a vinyl monomer (e.g. N,N-methylenebisacrylamide) and a photoreaction initiator (e.g. Rhodamine) to a solution containing a polyelectrolyte [e.g. poly(N-ethyl-4-vinylpyridinium bromide)]. A substrate 1 on whose surface electrodes 2 and 3 are formed is coated with this composition and dried to form a polyelectrolyte layer 4. A photomask 5 is mounted on the substrate 1 and the monomer is selectively polymerized by photoradical polymerization by means of irradiating ultraviolet rays 6 to insolubilize the monomer, and a pattern of the polyelectrolyte layer 7 of any desired shape is formed by development.

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