CN1161862C - Shield connector and method for connecting shield connector and shield line - Google Patents

Shield connector and method for connecting shield connector and shield line Download PDF

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Publication number
CN1161862C
CN1161862C CNB991239679A CN99123967A CN1161862C CN 1161862 C CN1161862 C CN 1161862C CN B991239679 A CNB991239679 A CN B991239679A CN 99123967 A CN99123967 A CN 99123967A CN 1161862 C CN1161862 C CN 1161862C
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CN
China
Prior art keywords
entrainment
shielding
connector
conductor
outer conductor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB991239679A
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Chinese (zh)
Other versions
CN1260613A (en
Inventor
青山雅彦
史
小出隆史
司
齐藤正司
洋
松田晃
田中昌洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Wiring Systems Ltd
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP32968598A external-priority patent/JP3365549B2/en
Priority claimed from JP33772398A external-priority patent/JP3532428B2/en
Priority claimed from JP10341993A external-priority patent/JP2000173723A/en
Application filed by Sumitomo Wiring Systems Ltd filed Critical Sumitomo Wiring Systems Ltd
Publication of CN1260613A publication Critical patent/CN1260613A/en
Application granted granted Critical
Publication of CN1161862C publication Critical patent/CN1161862C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

A shielded connector is provided with an improved shielding characteristic. The shielded connector includes male and female shielded connectors (10a, 10b). A section of an inner conductor (51) of a shielded cable (50) that is not covered by an outer conductor (52) and a portion of an inner terminal (20a) at and near an inner crimping portion (24) that is fastened to the leading end of the inner conductor (51) are covered on three sides by a covering portion (45). Accordingly, shielding characteristic can be improved remarkably. By connecting the male and female shielded connectors (10a, 10b) with opening surfaces of the covering portions (45) thereof faced in opposite directions, radiation characteristic can be balanced. Therefore, an influence on a high-frequency signal transmitting through the inner conductor (51) can be reduced when it is passing through the shielded connectors (10a, 10b), with the result that shielding characteristic can be improved.

Description

Shielded connector and the method that shielded connector is connected with shielding conductor
Technical field
The present invention relates to a kind of connector and a kind of method that shielded connector is connected with shielding conductor, the particularly method of entrainment with shielding.
Background technology
Tendency with each electric device miniaturization is arranged recently always.Need be with the connector miniaturization of band shielding, so that the parts miniaturization of electric device.Be used to be connected with the connector of band shielding of shielding conductor of the outer conductor of the inner wire that transmits high-frequency signal and shielding inner wire, connect internal and external conductor respectively.Japan not cosmos the connector of the known band shielding of this class is disclosed in checking and verify with novel communique No.5-27983.As shown in Figure 7, its joint 1 has three entrainment parts: the inner wire entrainment 1a of portion, the outer conductor entrainment 1b of portion and the line skin entrainment 1c of portion.
Shielding conductor 2 carries out following being connected with the connector 1 of band shielding.Line skin 2c, outer conductor 2b and the insulating part 2d of strip off on the shielding line end exposes inner wire 2a, and the inner wire entrainment 1a of portion is fixed to the inner wire 2a that exposes.Subsequently, only strip off line skin 2c exposes outer conductor 2b on this end of shielding conductor 2, and the outer conductor entrainment 1b of portion is fastened to the exposed division 2e of this outer conductor 2b.The last line skin entrainment 1c of portion is fastened on the line skin 2c on the end of the shielding conductor behind the exposed division 2e 2.
In general, utilize the fastening entrainment portion of plastic deformation of metalwork that recovery is arranged behind entrainment inevitably slightly.As a result, fastening entrainment portion can fluff slightly.If as prior art that the exposed division 2e of shielding conductor 2 is fastening, because outer conductor 2b would surround hard insulating part 2d on exposed division 2e, if behind entrainment, recover, just entrainment portion is in loosening state.So fastening force deficiency.
Because the structure of the known outer conductor entrainment 1b of portion, when the exposed division 2e of the shielding conductor 2 with corresponding minor diameter connects, as shown in Fig. 8 (a), do not stay entrainment with gap between the end of the outer conductor entrainment 1b of portion, simultaneously, as shown in Fig. 8 (b), if fastening have a large diameter line, the end of the outer conductor entrainment 1b of portion is separated behind entrainment.Therefore, outer conductor 2b has become flexible the fastening of the outer conductor entrainment 1b of portion because the gap is loosening.Therefore, must be in addition with the fixing described line of the line skin entrainment 1c of portion.
Because in order to be connected with shielding conductor 2, above-mentioned known joint 1 has the inner wire entrainment 1a of portion, the outer conductor entrainment 1b of portion and the line skin entrainment 1c of portion, it must have a big length.The big shortcoming of connector 1 length of band shielding is to cause connector shell (not shown) length big so that hold it.
Can consider to remove the entrainment structure (see figure 9) that the line skin entrainment 1c of portion directly will have the skill wood strip skin entrainment 1c of portion now is added on the exposed division 2e.At this moment, as shown in figure 10, the line skin entrainment 1c of portion of prior art entrainment structure forms a gap.As a result, cause inadequate electrical connection, fastening force is owing to the recovery of above-mentioned entrainment portion becomes not enough.This just must be provided with outer conductor entrainment 1b of portion and the line skin entrainment 1c of portion, and such shortcoming is to make the whole length of the connector of being with shielding longer.
Summary of the invention
In view of the above problems, the purpose of this invention is to provide a kind of with shielding connector and the method for the operations improvement that will be connected with shielding conductor with the connector of shielding.
On the one hand, the invention provides a kind of connector of the band shielding that is connected with shielding conductor, insulating part is located between inner and outer conductor in shielding conductor, and outer surface covers a line skin, comprising: a nipple can be connected with inner wire; One coupling can be held nipple at least in part, and insulating part is located between them, and this coupling can be connected with outer conductor; Wherein, coupling comprises an entrainment portion, it be fastened on the line skin of shielding conductor on the outer conductor of inflection volume, thereby not only be fastened to outer conductor itself but also be fastened on the line skin; And entrainment portion comprises at least one pair of entrainment sheet, and their entrainments become basic and surround the outer conductor that collapses and return on the online skin, and an end of first volume intermediate plate is placed on the end of the second entrainment sheet; Wherein the front end of entrainment sheet tilts.
Therefore, because entrainment portion is fastened on the outer conductor of returning of collapsing on the shielding conductor line skin, utilize that its can be fastened under the situation of elasticity extruded threads skin of line skin.Even entrainment portion recovers behind entrainment, because entrainment portion extruding ground static line skin, the strain of line skin is not exclusively eliminated.Therefore, line skin and the outer conductor that collapses back thereon can be closely fixing by entrainment portion.
Because entrainment portion forms enough fastening forces and electrical connection, the line skin entrainment portion effect that it can both play the connector of prior art band shielding plays the effect of outer conductor entrainment portion again.As a result, the total length of the connector of band shielding can shorten.
On the other hand, the present invention also provides a kind of method, the connector and the shielding conductor that are used for the connecting band shielding, the insulating part that connector has nipple, coupling and establishes between them, between the inner and outer conductor of described shielding conductor, be provided with an insulating part, and outer surface is covered by a line skin, and described method comprises step: divest sheath part and expose outer conductor; The part of outer conductor collapsed is back to small part ground to the line skin, forms the portion that collapses; The entrainment portion of coupling is closely contacted with the portion of collapsing basically, and the connector entrainment that makes the band shielding is to shielding conductor; And two or more entrainment sheet entrainments of entrainment portion become the end of the second entrainment sheet is attached on the end of first volume intermediate plate; Then, entrainment portion is recovered slightly, near the line skin strain elastic return the portion of collapsing, the strain of its center line skin is not exclusively eliminated, so that can obtain enough big fastening force.
Brief description
Reading following detailed description and accompanying drawing can make these and other purposes, features and advantages of the present invention more than you know.
Fig. 1 is the parts decomposition side view of the connector of one embodiment of the invention band shielding;
Fig. 2 is the coupling perspective view;
Fig. 3 is the perspective view of the connector of band shielding before folded portion is fastening;
Fig. 4 is the perspective view of the state after being with the connector that shields fastening;
Fig. 5 is the vertical cross section of connector in tightening state of band shielding;
Fig. 6 is outer crimping portion and the folded portion profile behind entrainment;
Fig. 7 is the perspective view of the connector of prior art band shielding;
Fig. 8 is the outer conductor entrainment enlarged drawing partly of the connector of prior art band shielding;
Fig. 9 is the line skin entrainment profile partly of the connector of prior art band shielding;
Figure 10 is the line skin entrainment profile partly that is fastened to the connector of the prior art band shielding on the outer conductor exposed division.
Preferred embodiment
One embodiment of the invention are described with reference to the accompanying drawings.
The connector 10 of the band shielding of this embodiment has an overall structure, makes nipple 20 be contained in the coupling 40 via an insulating part 30, and shielding conductor 50 links together with it.In the explanation, a side (right side of Fig. 1) of the connector 10 that be connected with a unshowned matching connector is called as the front side below, before assembling outside entrainment portion 45 open direction (Fig. 1 upward to) be called as upward to.
The structure of shielding conductor 50 makes insulating part 53 be positioned at 52 of inner wire 51 and outer conductors, inner wire 51 for example is to be twined by multiply to form, outer conductor 52 for example is to be become by litzendraht wire and/or metal wire leather, and the outer surface of outer conductor 52 is centered on by line skin 54, and line skin 54 is for example made by the nylon (see figure 1).Inner wire 51 is connected maybe and can connects with nipple 20, and outer conductor 52 is connected or maybe can connects with coupling 40.
Nipple 20 is male joint as shown in Figure 1 preferably, conducts electricity.The front portion of nipple 20 is that the face that can engage 21, one band taperings of protuberance of a not shown female joint is formed on its front end.The rear portion of nipple 20 is provided with one and stings tight or copulational protuberance 23, and when as described below when being inserted in the insulating part 30, by interlock or engage the upper wall of installing hole 31, fixedly nipple 20.Be one will be fastened to the interior entrainment portion 24 on the inner wire 51 after the snap protrusions 23.
Insulating part 30 is made as resin by insulating material, with interior and coupling 20 and 40 electric insulations.In insulating part 30, determine installing hole 31, the nipple 20 that holds in being fixed on.In order to be fixed in the coupling 40, the upper wall of insulating part 30 has a lock slots 32, and its diapire has contact site 33 (see figure 1)s.
Coupling 40 for example is to form by a crooked conductive plate, and its front portion is the installation portion 41 of rectangular pipe.For above-mentioned insulating part 30 being locked in the ad-hoc location in the installation portion 41, on the upper and lower wall of installation portion 41, establish the sticking department 42 and the contact chip 49 of a basic strain respectively.Basic Elastic Contact and the contact chip 43 that locks the connector of a unshowned band shielding are located on the left and right sidewall.Behind installation portion 41, be provided with laterally outwards outstanding stabilizer 44 along installation portion 41, the connector 10 of positioning belt shielding when the connector 10 of band shielding inserts a unshowned connector shell, and the connector 10 of band shielding stably is fixed in the connector shell after insertion.Establish entrainment portion 45 outside behind stabilizer 44, it is fastened in the portion that collapses 55 of outer conductor 52 of shielding conductor 50, and it is corresponding or overlapping with the portion of collapsing 55 at least in part that outer entrainment portion 45 wherein can be set.Preferably, outer entrainment portion 45 roughly fully be located at and the portion 55 corresponding positions that collapse in.
Outer entrainment portion 45 has a pair of preferably banded entrainment sheet 46 and 47, and they 48 stretch out from the bottom as shown in Figure 2.Entrainment sheet 46 separates gradually with 47 with broadening, and forms inclined surface at their front ends.Entrainment sheet 46 and 47 length preferably are enough to surround the shielding conductor of various diameters.
The assembling of the connector of explanation band shielding now.At first, line skin 54 parts on strip off shielding conductor 50 1 ends are exposed outer conductor 52, return collapsing to small part on its online skin 54 then, thereby form portion's 55 (see figure 1)s that collapse.Subsequently, insulating part 53 parts of strip off shielding conductor 50 are exposed inner wire 51, and the interior entrainment portion 24 with nipple 20 is fastened to inner wire then.
Next, insulating part 30 is inserted into the installation portion 41 of coupling 40 from the front at least in part.Then, contact site 33 is contacted substantially with contact chip 49, sticking department 42 slides in the lock slots 32 basically, thereby insulating part 30 is locked onto ad-hoc location in the installation portion 41 basically.When the nipple 20 that is connected with inner wire 51 was inserted in the installing hole 31 of insulating part 30, snap protrusions 23 interlocks or joint entered the upper wall of installing hole 31, stably fixing nipple 20 (see figure 5)s.
Then, the portion of collapsing 55 is placed on the bottom 48 of coupling.At this moment, as shown in Figure 3 because preferably entrainment sheet 46 with 47 near their end of bottom 48 from very narrow, so the portion 55 that collapses is not because of having displacement at Width between the bottom that is fixed on entrainment sheet 46 and 47.
The connector 10 of the band shielding in Fig. 3 state is placed in a unshowned entrainment device or the device that collapses.Make entrainment sheet 46 firmly closely contact substantially with the outer surface of the portion of collapsing 55 with 47.At this moment, carry out end (see figure 6) on the end of entrainment sheet 46 that entrainment makes entrainment sheet 47.Because the front end of entrainment portion 46 is band inclined planes, what a is placed in entrainment sheet 46 on another and 47 end, can easily be fixed in the tight contact.
This during when entrainment line skin 54 be out of shape by radial compression.In addition, preferably entrainment sheet 46 and 47 recovers when entrainment is finished as described above a little.In this state, the outer entrainment portion 45 extruding portion 55 that collapses.The preferably big elimination of strain of the line skin 54 that when entrainment sheet 46 and 47 recovers, surrounds by outer entrainment portion 45.But because strain eliminates fully, as shown in Figure 6, the outer conductor 52 on the online skin 54 by the elastic force of line skin 54 be fixed on entrainment sheet 46 with during 47 closely contact.Therefore, be connected electrically in portion of collapsing 55 and entrainment sheet 46 and 47 fully and set up and obtain enough big fastening force.
So, according to the connector 10 of the band of this embodiment shielding because outer entrainment portion 45 forms fully electrical connection and fastening force, needn't be as prior art the independent line skin entrainment portion that is provided with.The total length of the connector 10 by shortening the band shielding it can do shorter.
Preferably make the connector 10 of band shielding can be suitable for the shielding conductor 50 of various outer diameter by the overlap length of adjusting entrainment sheet 46 and 47.The connector 10 of the band shielding of this embodiment is the shielding conductor 50 of applicable different size also.
Because the fastening force of being realized by outer conductor entrainment portion and line skin entrainment portion of prior art realizes that by single outer entrainment portion 45 operating efficiency can significantly improve.
The invention is not restricted to the foregoing description.For example following embodiment also is that the determined technical scope of the present invention of claims is included.Except following examples, under the condition that does not depart from determined scope of the present invention of claims and design, also can make all changes.
(1) though in the above-described embodiments entrainment sheet 46 be fastened in the entrainment sheet 47, this can put upside down.
(2) though in the above-described embodiments the present invention be applied to the connector of public band shielding, also can be applicable to the connector of master tape shielding.
(3) though in the above-described embodiments the present invention be applied to the connection of the connector of band shielding, the connector that the band that it also may be used on directly being connected with circuit board etc. shields.
(4) though in the above-described embodiments the entrainment sheet fully with collapse portion's overlapping (for example seeing Fig. 4), entrainment portion, or preferably its entrainment sheet also can be only partly overlapping with the portion of collapsing, thus for example form consistent with the part of the line skin of the adjacent portion that collapses.

Claims (3)

1. the connector of a band shielding that is connected with shielding conductor (50), insulating part (53) is located between inner and outer conductor (51,52) in shielding conductor (50), and outer surface covers a line skin (54), comprising:
One nipple (20) can be connected with inner wire (51);
One coupling (40) can be held nipple (20) at least in part, and insulating part (30) is located between them, and this coupling can be connected with outer conductor (52);
Wherein, coupling (40) comprises an entrainment portion (45), and it is fastened at the line skin (54) of shielding conductor (50) and goes up on the outer conductor (52) of inflection volume, thereby not only is fastened to outer conductor (52) itself but also is fastened on the line skin (54); And
Entrainment portion (45) comprises at least one pair of entrainment sheet (46,47), and their entrainments become basic and surround the outer conductor (52) that collapses and return on the online skin (54), and an end of first volume intermediate plate (47) is placed on the end of the second entrainment sheet (46); Wherein the front end of entrainment sheet (46 and 47) tilts.
2. the connector of band according to claim 1 shielding, wherein the basal surface (48) from entrainment portion (45) stretches out at least two entrainment sheets (46,47), they to its front end that than separating with broadening.
3. method, the connector (10) and the shielding conductor (50) that are used for the connecting band shielding, the insulating part (30) that connector (10) has nipple (20), coupling (40) and establishes between them, between the inner and outer conductor (51,52) of described shielding conductor, be provided with an insulating part (53), and outer surface is covered by a line skin (54), and described method comprises step:
Divest line skin (54) part and expose outer conductor (52);
The part of outer conductor (52) collapsed is back to small part ground to line skin (54), forms the portion (55) that collapses;
The entrainment portion (45) of coupling (40) is closely contacted with the portion of collapsing (55) basically, and connector (10) entrainment that makes the band shielding is to shielding conductor (50); And
Two or more entrainment sheets (46,47) entrainment of entrainment portion (45) becomes the end of the second entrainment sheet (46) is attached on the end of first volume intermediate plate (47); Then, entrainment portion (45) is recovered slightly, near line skin (54) the strain elastic return the portion of collapsing, the strain of its center line skin (54) is not exclusively eliminated, so that can obtain enough big fastening force.
CNB991239679A 1998-11-19 1999-11-19 Shield connector and method for connecting shield connector and shield line Expired - Fee Related CN1161862C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP329685/1998 1998-11-19
JP32968598A JP3365549B2 (en) 1998-11-19 1998-11-19 Shield terminal
JP33772398A JP3532428B2 (en) 1998-11-27 1998-11-27 Terminal
JP337723/1998 1998-11-27
JP341993/1998 1998-12-01
JP10341993A JP2000173723A (en) 1998-12-01 1998-12-01 Shield connector

Publications (2)

Publication Number Publication Date
CN1260613A CN1260613A (en) 2000-07-19
CN1161862C true CN1161862C (en) 2004-08-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB991239679A Expired - Fee Related CN1161862C (en) 1998-11-19 1999-11-19 Shield connector and method for connecting shield connector and shield line

Country Status (2)

Country Link
CN (1) CN1161862C (en)
DE (1) DE69924693T2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003032450A1 (en) * 2001-10-05 2003-04-17 Amphenol Corporation Improved radially resilient electrical connector and method of making the same
JP4377736B2 (en) * 2004-04-07 2009-12-02 株式会社オートネットワーク技術研究所 Shielded wire connector and connection method with shielded wire
CN102709721A (en) * 2012-01-13 2012-10-03 加炜电子(昆山)有限公司 Cable connector terminal
CN102709717A (en) * 2012-01-13 2012-10-03 加炜电子(昆山)有限公司 Single-core-wire connector terminal
EP3220483A1 (en) * 2016-03-17 2017-09-20 TE Connectivity Germany GmbH Electric connection device, method of assembling an electrical cable and assembled electrical coaxial cable

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Publication number Publication date
CN1260613A (en) 2000-07-19
DE69924693D1 (en) 2005-05-19
DE69924693T2 (en) 2006-03-02

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Inventor after: Masahiko Aoyama

Inventor after: Takashi Koide

Inventor after: Masashi Saito

Inventor after: Song Tianhuang

Inventor after: Tanaka Masahiro

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Free format text: CORRECT: INVENTOR; FROM: AOYAMA MASAHIKO; TAKASHI KOIDE; SAITO, SECRETARY; AKIRA MATSUDA TO: AOYAMAMASAHIKO; TAKASHI KOIDE; SAITO, SECRETARY; AKIRA MATSUDA; TANAKA MASAHIRO

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