Patents Assigned to Yamaichi Electronics Co., Ltd.
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Publication number: 20120080221Abstract: A printed wiring board with components and its manufacturing method is described. An opening is formed from one main surface to another main surface of a core material. A functional element is brought into press contact with the side wall of the opening such that terminals of the functional element are exposed facing the core material's one main surface and the other main surface. A first and second interlayer dielectric layers are formed on the main surface and the other main surface, respectively, each interlayer dielectric layer having conductive bumps connected to conductive layers, with the interlayer dielectric layers filling voids between the opening and the functional element. A first terminal and a second terminal of the functional element are connected to respective first and second conductive bumps, respectively.Type: ApplicationFiled: September 16, 2011Publication date: April 5, 2012Applicant: YAMAICHI ELECTRONICS CO. LTD.Inventor: Noriaki SEKINE
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Publication number: 20110318967Abstract: The card connector, into which an IC card having a plurality of pads arranged in parallel at front and back positions is inserted, includes a plurality of contacts each contacting a corresponding one of the plurality of pads of the IC card and a base member that supports the plurality of contacts. Each of the plurality of contacts has a first and a second elastic piece each having a contact point portion that electrically contacts a pad of the IC card. The first and second elastic pieces are formed such that contact pressures of the respective contact point portions against the pads are different from each other. The plurality of contacts is arranged on the base member in parallel at front and back positions and a first and a second contact piece are arranged in an opposite manner in contacts aligned linearly at front and back positions.Type: ApplicationFiled: January 15, 2010Publication date: December 29, 2011Applicant: YAMAICHI ELECTRONICS CO., LTD.Inventors: Satoru Yoshida, Kouji Kikuchi
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Patent number: 8075326Abstract: A socket for a circuit board, comprising: a base having an opening area for introducing an electrical conductor of the circuit board, a contact element for electrically contacting a conductor of the circuit board, and an electrical output electrically connected to the contact element, wherein the contact element comprises a returning connecting contact spring disposed in an introduction area, wherein said spring can be actuated returnably by applying a force along a force direction, such that the electrical conductor can be disposed between a connecting contact area and the connecting contact spring, and wherein each contact element is configured such that the electrical conductor can be brought into contact with the contact element by any desired contact configurations or combinations of contact configurations.Type: GrantFiled: April 1, 2010Date of Patent: December 13, 2011Assignees: Yamaichi Electronics Co., Ltd., Yamaichi Electronics Deutschland GmbHInventors: Michael Quiter, Sven Braun
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Publication number: 20110294322Abstract: A card connector with an ejection mechanism is described. The card connector may include a base member, a cover member, a card accommodating space, and contact lines, which are electrically connected to a card placed into the card accommodating space. The card connector may also include an ejection lever, a spring, which pushes the ejection lever to the card accommodating space, and a pair of guide walls, which lead the ejection lever in a card insertion/withdrawal direction. The card connector may further include an ejection mechanism for pulling the IC card out of the card accommodating space. The ejection lever may include an arm portion, which comes in contact with a front end portion of the card, a spring mounting portion, a slide portion, which is led to a pair of the guide walls, and a pull portion, which extends outside the base member.Type: ApplicationFiled: May 31, 2011Publication date: December 1, 2011Applicant: YAMAICHI ELECTRONICS CO., LTDInventors: Kouji KIKUCHI, Yoshiharu ISHII, Masaaki OOYA
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Patent number: 8047874Abstract: The high-density connector for high-speed transmission comprises a female connector having a connector body formed with a plurality of contact accommodating concave portions and a plurality of female contacts, and a male connector having a connector body and a plurality of male contacts. The female contacts are arranged in zigzag in a plurality of rows such that adjacent female contacts in a front-back direction are diagonally positioned to each other. Contact portions of the male contacts are arranged in zigzag in a plurality of rows corresponding to the arrangement of the female contacts. Among the rows of the female contacts, two adjacent rows in the front-back direction are rows of a pair of signal line contacts, and one row on either side in the front-back direction of the pair of signal line contacts is a row of a ground contact.Type: GrantFiled: July 24, 2008Date of Patent: November 1, 2011Assignee: Yamaichi Electronics Co., Ltd.Inventor: Toshiyasu Ito
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Publication number: 20110248736Abstract: The probe pin includes a plunger formed of a sheet metal, and a coil spring unit formed of a metal wire and configured to hold the plunger thereon. In a developed state, the plunger includes first and second portions each of which has an upper contact strip, a wide portion, and a lower contact strip, and which are connected to each other via the wide portions formed in the first and second portions. The plunger is formed in a united manner by folding together the first and second portions along a boundary of the wide portions formed therein to thereby bring at least the wide portions into tight contact with each other.Type: ApplicationFiled: March 8, 2011Publication date: October 13, 2011Applicant: YAMAICHI ELECTRONICS CO., LTD.Inventors: Yuji KATO, Takeyuki SUZUKI
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Patent number: 8016618Abstract: An integrated circuit (“IC”) connector includes a card detection contact terminal which is provided substantially at a central part of a housing unit and between a first grounding contact terminal and a second grounding contact terminal, and first and second contact terminals located so as to face each other along a direction of mounting and demounting of a first IC card, the first contact terminals provided adjacent to and both sides of the card detection contact terminal, the second contact terminals provided adjacent to both sides of the card detection contact terminal.Type: GrantFiled: March 31, 2010Date of Patent: September 13, 2011Assignee: Yamaichi Electronics Co., Ltd.Inventors: Yosuke Takai, Takamitsu Sasaki, Shigeru Sato
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Patent number: 8014162Abstract: A flexible printed circuit board wherein the insulative substrate 34 having a plurality of conductive layers 36b covered with a protective layer 38 is encircled by a mesh-cloth member 32.Type: GrantFiled: October 5, 2007Date of Patent: September 6, 2011Assignee: Yamaichi Electronics Co., Ltd.Inventor: Hideki Kusamitsu
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Patent number: 8011933Abstract: An electrode terminal supporting body fixed on a printed wiring board and an anisotropic conductive sheet which is positioned on the electrode terminal supporting body and on which a semiconductor device is placed are provided between first and second stiffening plates. The first and second stiffening plates are fastened by machine screws with the electrode terminal supporting body, the anisotropic conductive sheet, and the printed wiring board interposed therebetween.Type: GrantFiled: March 31, 2010Date of Patent: September 6, 2011Assignee: Yamaichi Electronics Co., Ltd.Inventor: Toshiyasu Ito
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Patent number: 7967640Abstract: A card connector according to the present invention includes a bottom wall of a base member configured to support a plurality of contacts in a cantilever manner. A rectangular SIM card is inserted into the card connector in such a manner that the shorter side of the card is parallel to the direction of insertion. The plurality of contacts of the card connector are arranged to correspond to respective plural external contact points of the SIM card. Each of the contacts includes a contact portion, two elastic deformation portions, and a terminal portion. The two elastic deformation portions of the contact are coupled together so as to substantially form an isosceles triangle shape with a vertex angle ?1 at a vertex corresponding to the contact portion. The plurality of contacts are arranged parallel to one another, each in an inverted V shape with respect to the card insertion direction.Type: GrantFiled: January 8, 2010Date of Patent: June 28, 2011Assignees: Yamaichi Electronics Co., Ltd., Sony Ericsson Mobile Communications Japan, Inc.Inventors: Kazuya Hashimoto, Yosuke Takai, Taro Ishii
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Publication number: 20110130029Abstract: The card connector in which a card receiving space for containing at least a part of a small card incorporating an integrated circuit is formed by a cover member having at least a top board and right and left side walls and a base member having at least a bottom wall, a front wall, and right and left side walls, the card connector includes: a plurality of contacts penetrating the front wall of the base member and being elastically deformably supported by the base member; and a heat dissipating mechanism located behind the plurality of contacts and elastically deformably supported by the base member. The heat dissipating mechanism includes at least one heat dissipating piece having a free end at one end. The heat dissipating mechanism is disposed at a cutoff portion formed at the bottom wall of the base member.Type: ApplicationFiled: June 25, 2009Publication date: June 2, 2011Applicant: YAMAICHI ELECTRONICS CO., LTD.Inventors: Satoru Yoshida, Yoshiharu Ishii
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Publication number: 20110108085Abstract: A junction box for a conductor board, in particular for a solar module, including at least one contact device with a conductor terminal element and a contact element, at least one connection cable with at least one electrical conductor, wherein the electrical conductor contacts the conductor terminal element of the at least one contact device, at least one sealing element surrounding an end area of the connection cable, so that the end area is substantially moisture-tight, a housing device, wherein the housing device is designed to be arranged on the conductor board, the housing device surrounds the at least one sealing element in a contact area, and in the contact area.Type: ApplicationFiled: May 11, 2009Publication date: May 12, 2011Applicants: YAMAICHI ELECTRONICS CO., LTD., YAMAICHI ELECTRONICS DEUTSCHLAND GMBHInventor: Michael Quiter
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Publication number: 20110104925Abstract: The invention relates to a connector system with a connector and a complementary connector, wherein the connector includes a housing element with a locking device and an electrical contact element, wherein the electrical contact element is arranged in the area of a front end of the housing element, and includes a closing element arranged on the housing element, which closing element surrounds both at least the rear end of the housing element and an area of the electrical cable arranged outside the housing element, and is closely connected with the housing element and the electrical cable such that at the rear end, the interior of the housing element is sealed from the surrounding in a substantially fully moisture-tight manner.Type: ApplicationFiled: May 11, 2009Publication date: May 5, 2011Applicants: Yamaichi Electronics Co., Ltd., Yamaichi Electronics Deutschland GmbHInventors: Michael Quiter, Sven Braun
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Patent number: 7914295Abstract: An electrical connecting device for electrically connecting between two contacted articles, comprising a push member, a lock member, which holds one of the contacted articles in a predetermined mount position through the push member, a base member, to which the two contacted articles are mounted, an elastic member held on the base member, and a plurality of contacts held on the elastic member, and wherein the base member includes an upper base member and a lower base member, each including an accommodating recess, which accommodates the elastic member, the elastic member includes slits, respectively, holding the plurality of contacts, the plurality of contacts, respectively, include at least an upper contact arm having an upper contact portion and a lower contact arm having a lower contact portion, and the upper and lower contact portions of each of the plurality of contacts are structured to enable abutting against the elastic member.Type: GrantFiled: July 9, 2009Date of Patent: March 29, 2011Assignee: Yamaichi Electronics Co., Ltd.Inventors: Yuji Nakamura, Eiji Kobori, Katsumi Suzuki, Takeyuki Suzuki
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Patent number: 7909666Abstract: There are provided the steps of preparing a contact (10, 20), which is formed from a metallic sheet including a base portion (11, 21), an elastic deformation portion (12, 22), and a contact portion (13, 23), and in which a recess (15, 25) is formed on a bottom surface of the base portion and a plurality of through-holes (16, 26, 27) are formed to be arranged above the recess and in parallel to the bottom surface of the base portion to extend through the base portion, and holding solder on the through-holes formed on the contact. A desired, solder-attached contact (10a, 20a) is fabricated by the manufacturing method. Further, the solder is a solder ball (90) and the step of holding solder includes the step of preparing the solder ball and the step of press fitting the solder ball into the through-hole.Type: GrantFiled: October 30, 2007Date of Patent: March 22, 2011Assignee: Yamaichi Electronics Co., Ltd.Inventor: Yuji Nakamura
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Patent number: 7908747Abstract: Upon an assembly of a probe head unit, the relative positions of the probe pins 28ai to those of the electrode group 24E in the pitch-changing substrate 24 are determined by making the positions of the through-holes 26A, 26B, 26C and 26D in the contact block 26 to coincide with the positioning marks 24MA, 24MB, 24MC and 24MD in the pitch-changing substrate 24.Type: GrantFiled: April 20, 2006Date of Patent: March 22, 2011Assignee: Yamaichi Electronics Co., Ltd.Inventors: Takeyuki Suzuki, Ryo Ujike
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Patent number: 7891983Abstract: A contact, above and below which two contact objects are present, comprises a first arm portion having a first contact portion at a tip end thereof, a first arcuate projection, a coupling portion, a second arcuate projection, and a second arm portion having a second contact portion at a tip end thereof. In the contact, the first arm portion and the coupling portion are connected to each other with the first arcuate projection therebetween to assume a substantially V-shaped configuration. The coupling portion and the second arm portion are connected to each other with the second arcuate projection therebetween to assume a substantially V-shaped configuration. The first arcuate projection is disposed below the first arm portion and outside an extension of the first arm portion. The second arcuate projection is disposed above the second arm portion and outside an extension n of the second arm portion.Type: GrantFiled: July 29, 2009Date of Patent: February 22, 2011Assignee: Yamaichi Electronics Co., Ltd.Inventors: Yoshiaki Ichimura, Masafumi Aoki
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Patent number: 7887355Abstract: A pressing member has a pressing section capable of pressing semiconductor devices with different shapes having an external shape within a predetermined range. The pressing section is held, via a coupling pin, by paired arm members coupled to paired lever members rotationally movably supported by a socket main body section. When the pressing member is in a pressing state, the opposite ends of the coupling pin are held by a circular arc surface portion of holding walls. When the pressing member is in a standby state, the opposite ends of the coupling pin are disengaged from the circular arc surface portion of the holding walls.Type: GrantFiled: October 29, 2009Date of Patent: February 15, 2011Assignee: Yamaichi Electronics Co., Ltd.Inventor: Hideo Watanabe
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Patent number: 7878826Abstract: There is provided a card connector having a metallic ejection member. A card connector, in which a card accommodating space is formed by a base member and a cover member, comprises a plurality of contacts arranged on the base member, an ejection member capable of moving relative to the base member in a longitudinal direction, a compression coil spring biasing the ejection member rearward, and a heart cam mechanism including a heart cam and a cam groove. The ejection member includes a card push portion, a body, on a forward portion of which a coil spring accommodating space is formed, on a rear portion of which a swinging space is formed, and a coupling portion. The ejection member is formed integrally from a metallic sheet. The coil spring accommodating space and the swinging space are arranged in a row on the same line in a longitudinal direction.Type: GrantFiled: July 6, 2009Date of Patent: February 1, 2011Assignee: Yamaichi Electronics Co., Ltd.Inventor: Kouji Kikuchi
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Patent number: 7871283Abstract: A semiconductor package socket (1, 101) has a socket base (10, 110) including a package rest (11, 111) on which a semiconductor package (50) having gull-wing leads (52) is put, a cover member (20, 120) movably attached on the socket base, and a plurality of contacts (30, 130) each including a first contact piece (31, 131) capable of making contact, from above, with a horizontal shoulder portion of the lead, a second contact piece (32, 132) capable of making contact, laterally, with a vertical leg portion of the lead and a fixed portion, and formed to advance onto or retract from the package rest due to vertical movement of the cover member. The package rest is formed with a dam wall that allows the leads to be lied thereover, wherein the first and the second contact pieces each have an elastic deforming portion to determine a contact pressure.Type: GrantFiled: December 3, 2007Date of Patent: January 18, 2011Assignee: Yamaichi Electronics Co., Ltd.Inventors: Eiichi Murakoshi, Hideki Sato, Hideki Sagano