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Class 360/245.9 - Flexible printed circuit type


Subclass of Class 360 - Dynamic magnetic information storage or retrieval
Definition: Subject matter wherein the electrical connection includes
No. of patents: 388
Last issue date: 05/15/2012


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NumberTitleIssue Date
8179639Head gimbal assembly without bus traces for plating
Head gimbal assemblies for data storage systems are provided. Some embodiments include a dielectric layer having a first and a second side. A first conductive layer is on the first dielectric layer. The first conductive layer includes a pad and a trace. A second con...
05/15/2012
8169746Integrated lead suspension with multiple trace configurations
An integrated lead head suspension flexure includes a mounting region, a gimbal extending distally from the mounting region and having bond pads, and a tail extending proximally from the mounting region and having terminal pads. First trace sections having a first s...
05/01/2012
8159786Suspension with locally strengthened integrated trace connections
A head gimbal assembly may comprise a slider, a micro-actuator attached to the slider, a flexure to mount the slider and the micro-actuator, and a suspension comprising a support region, a main portion, and a moving portion, wherein the flexure comprises a plurality...
04/17/2012
8144430Multi-layer ground plane structures for integrated lead suspensions
Multi-layer ground plane structures and methods of manufacture for integrated lead suspension flexures. A flexure in accordance with one embodiment of the invention includes an insulating layer, a plurality of traces on the insulating layer and a stainless steel bas...
03/27/2012
8130471Traces with reduced width portions for disk drive head suspensions
An integrated lead flexure includes traces with windowed or reduced width portions. The flexure includes a metal base layer with a plurality of apertures, an insulating layer on the metal base layer, and one or more conductive traces formed on the insulating layer a...
03/06/2012
8111483Disk drive flexure
A first conductor member includes an amplifier-side first conductor, a head-side first conductor, and first and second interleaved conductors. A second conductor member includes an amplifier-side second conductor, a head-side second conductor, and third and fourth i...
02/07/2012
8102628Disk drive and head assembly having hole sequences
Embodiments disclose hole sequences that are formed in the metal layer of a trace to adjust rigidity and crosstalk noise resulting from the hole sequences is thereby suppressed. A suspension according to one aspect of the invention includes a trace adapted to transm...
01/24/2012
8094413Disk drive head suspension flexure with stacked traces having differing configurations on gimbal and beam regions
An integrated lead head suspension component comprising a spring metal layer, a first conductor layer, a first dielectric layer between at least portions of the spring metal and the first conductor layers, a second conductor layer and a second dielectric layer betwe...
01/10/2012
8085507Method and apparatus for forming an opening in a base-metal layer of an electrical lead suspension (ELS) to increase the impedance
An apparatus and method for forming an opening in a base-metal layer of an electrical lead suspension (ELS) to increase the impedance. The method provides a base-metal layer having at least one opening. A dielectric layer above the base-metal layer is also provided,...
12/27/2011
8072709Flex cable for a hard disk drive having an interrogation trace
A flex cable for a head stack assembly of a hard disk drive comprises a base film, a first adhesive layer coupled with the base film, and at least one interrogation trace and at least one signal trace coupled with the first adhesive layer. The interrogation trace is...
12/06/2011
8064169Suspension for disc drive
A suspension for a disc drive includes a base plate, a load beam, and a flexure. The flexure includes a metal base member and a circuit member disposed along the metal base member. The circuit member extends along the load beam. The circuit member includes a resin b...
11/22/2011
8045297Flex cable and method for lowering flex cable impedance
A flex cable comprises a base film, a first adhesive layer coupled with the base film, and at least two signal traces coupled with the first adhesive layer. The flex cable comprises a second adhesive layer coupled with the signal traces and the first adhesive layer,...
10/25/2011
8035924Suspension for disc drive
A suspension for disc drive includes a base plate, a load beam, and a flexure. The flexure includes a metal base member and a circuit member disposed along the metal base member. The circuit member extends in a longitudinal direction of the load beam. The circuit me...
10/11/2011
8014107Suspension device
A suspension device including a flexure with conductors is provided with an anti-ESD section. The anti-ESD section includes a metal plate, a insulating layer, a first electrically conductive member formed of a pair of read conductors, a second electrically conductiv...
09/06/2011
7986494Integrated lead head suspension with tapered trace spacing
An integrated lead flexure for a disk drive head suspension, comprising two or more spaced-apart traces extending between terminal connector pads and head connector pads, wherein the spacing between the traces substantially continuously decreases along at least a po...
07/26/2011
7974044Solder control features for a disc drive head flex interconnect
A FOS circuit and a method for fabricating the same that reduces the possibilities of shorts or damage to a circuit board during assembly due to solder reflow. The FOS circuit has a tail, a shunt bar, a plurality of flying leads, and a dam. The tail has a first and ...
07/05/2011
7957101Suspension having a trace bent part that is fixed to a tongue part and an outrigger part
A suspension is provided for improving reliability in reading/writing of data by improving stiffness in a longitudinal direction of a flexure while realizing low pitch/roll stiffness of a tongue part. The suspension includes: a flexure, including two branched outrig...
06/07/2011
7929252Multi-layer ground plane structures for integrated lead suspensions
Multi-layer ground plane structures and methods of manufacture for integrated lead suspension flexures. A flexure in accordance with one embodiment of the invention includes an insulating layer, a plurality of traces on the insulating layer and a stainless steel bas...
04/19/2011
7903376Integrated lead suspension for vibration damping in magnetic storage device
An integrated lead suspension (ILS) has a constrained layer damper (CLD) that attenuates vibration of the ILS. The CLD is applied over an already assembled ILS such that the CLD is applied to the cover layer. The CLD encapsulates the underlying conductors and the co...
03/08/2011
7881015Overpass structure of flexible printed cable (FPC) signal lines with suspension signal lines for a hard disk drive
A printed circuit that connects a head to a pre-amplifier circuit of a hard disk drive. The head has a pair of write bond pads and a pair of read bond pads. The printed circuit has a pair of read traces located in a first layer and connected to the read bond pads. T...
02/01/2011
7813082Head suspension flexure with inline lead portions positioned at a level between levels of first and second surfaces of the spring metal layer
An integrated lead head suspension flexure including a plurality of integrated leads each including at least one lead portion unbacked by the flexure spring metal layer and configured to be substantially inline with the general plane of the spring metal layer. The l...
10/12/2010
7813083Disk drive load arm structure having a strain sensor and method of its fabrication
A load arm for a disk drive may include a base section that has an opening for receiving a spindle of a voice coil motor. The base section may have hinge arms that extend from the base section and terminate in tab portions. An arm section may be affixed to the tabs ...
10/12/2010
7813084Co-planar shielded write traces for disk drive head suspensions
An integrated lead head suspension flexure including a spring metal base layer, an insulating layer on the base layer and traces on the insulating layer. The traces include first and second adjacent and co-planar write traces and first and second shield traces. The ...
10/12/2010
7804663High frequency interconnect signal transmission lines
A micro-electromechanical signal transmission line is made from an electrically conductive material. It has a first distal end and a second distal end. The second distal end is free to move with respect to said first distal end. There exists an unsupported region be...
09/28/2010
7782572Disk drive head suspension flexures having alternating width stacked leads
An integrated lead flexure for a disk drive head suspension of the type having a plurality of stacked leads disposed on separate layers, the plurality of stacked leads extending between terminal connector pads and head connector pads, comprising stacked lead pairs h...
08/24/2010
7724478Magnetic disk drive, wiring connection structure and terminal structure
Terminals of a flexible printed circuit board and terminals of a wiring trace in a head suspension assembly are to be connected with each other by soldering without causing a soldering defect. In an embodiment, a terminal structure of a multi-connector in a wiring t...
05/25/2010
7710688Split embedded signal transmission planes in integrated lead disk drive suspensions
A disk drive head suspension flexure having a gimbal region and a tail includes a metal base layer, an insulation layer over the base layer and two or more pairs of adjacent traces extending over the insulation layer from the gimbal region to the tail. Each trace in...
05/04/2010
7701674Head suspension with multilayer ground, flexure with multilayer ground, and methods of manufacturing them
A head suspension includes a load beam to apply load onto a head that writes and reads information to and from the hard disk and a flexure attached to the load beam and supporting the head. The flexure has write wires and read wires connected to the head. The flexur...
04/20/2010
7697237Shielded copper-dielectric flexure for disk drive head suspensions
An integrated lead disk drive suspension flexure including a gimbal region including gimbal spring arms having conductive spring metal traces embedded within dielectric between a pair of conductive metal shields. The traces function as the spring arms of the gimbal ...
04/13/2010
7672082Flexible wiring board for magnetic head assembly
A flexible wiring board for a magnetic head assembly is provided. The flexible wiring board includes a wiring pattern connected to a head body at one end and to an external circuit system at the other end, an insulation protection film that protects the wiring patte...
03/02/2010
7643252Head suspension having wiring disposed with conductive layer
A head suspension prevents a read element from electrostatic discharge damage without employing a static electricity remover, and at the same time, secures the frequency characteristics of a write signal. The head suspension has a load beam to apply load to a slider...
01/05/2010
7630174Suspension and prober designs for recording head testing
In testing HGAs used in a hard disk drive, to facilitate contact between a test prober and a HGA termination pad, read head termination pads may be provided with extensions along the tail of the HGA, and/or a sawtooth-shaped prober may be used. ...
12/08/2009
7595963Head gimbal assembly including a flexure with a first conductive trace disposed between a slider and a dielectric layer
There is provided a head gimbal assembly (HGA) for a disk drive. The HGA includes a slider and a flexure. The slider includes first, second and third electrically conductive pads disposed upon a trailing side. The first electrically conductive pad is disposed betwee...
09/29/2009
7583475Rotating disk storage device and integrated wire head suspension assembly
Embodiments of the invention provide techniques to prevent, when a bonding pad and a lead wiring pad are to be connected using a solder ball, the solder ball from deviating from a centerline and a soldering problem from occurring. In one embodiment, a head suspensio...
09/01/2009
7567410Flexure including a heat sink and a dielectric layer under trace termination pads
A flexure is provided for a HGA suspension. The flexure includes a metal base layer, a trace layer, and a dielectric layer disposed between the trace and base layers. The metal base layer includes a heat sink portion. The trace layer includes a plurality of conducti...
07/28/2009
7542242FPC with via holes with filler being welded to suspension and drive apparatus
A suspension includes a flexure constituted by a metal plate member, for supporting a head slider provided with at least one head element, a load beam provided with a top end section and constituted by a metal plate member, for supporting the flexure at the top end ...
06/02/2009
7522382Head stack assembly with interleaved flexure tail bond pad rows
Flexure tails are provided for coupling heads of head gimbal assemblies to a flex cable in a disk drive. An exemplary flexure tail comprises a substrate including a non-straight edge defining a protruding portion and a recessed portion. The recessed portion includes...
04/21/2009
7511923Head suspension, information storage apparatus, and lead structure
The present invention has an object to provide a head suspension which can position a head accurately, an information storage apparatus with a high recording density, and a lead which contributes to implementation of the head suspension and information storage appar...
03/31/2009
7511924Conductor assembly for reducing track misregistration in a disk drive
A conductor assembly for carrying electrical signals is provided for a disk drive having an actuator arm. The actuator arm includes a first surface lying in a first plane, a second surface lying in a second plane and an outer edge. The conductor assembly includes a ...
03/31/2009
7505229Disk drive flex cable with ESD contact pad
A disk drive electrical interconnect includes one or more electrical contacts for providing a controlled discharge form a disk drive head in a manner that reduces the potential for damaging the head in preparation for testing or the like. In some embodiments the ele...
03/17/2009
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