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AssigneeTDK Corporation
InventorsToru Mizuno, Kouji Tanaka, Satoshi Yamaguchi
Estimating the term…
The present invention provides a magnetic head construction, a connection method and a connecting device by which excellent electrical connection can be carried out between a core electrode and a substrate land face on a flexure in a magnetic head employing the piggy back system. In order to attain the object of interest, in the present invention, a fine adjustment actuator is arranged between a core and a flexure; a projection portion which is projected from the fine adjustment actuator when viewed from the flexure is provided in the core; a hole is provided in the position, on the flexure, corresponding to the projection portion; only the core is fixed by a support portion provided through the hole portion and a clamp pin without applying any load to the fine adjustment actuator; and while maintaining this fixing state, an electrode and a substrate land are bonded to each other with a wire.
A magnetic head having a flexure having an electrical wiring formed therein, a fine adjustment actuator fixed to said flexure, and a core which is fixed to said fine adjustment actuator and also is electrically connected to said electrical wiring to be driven for said flexure by said fine adjustment actuator,
A device for wire-bonding an electrode formed in a core and the end portion of an electrical wiring to each other, for use in a magnetic head having a flexure having said electrical wiring formed therein, a fine adjustment actuator fixed to said flexure, and said core which is fixed to said fine adjustment actuator and is driven for said flexure by said fine adjustment actuator, said device comprising a work fixing block including a first support surface to which the rear face of the formation part of the end portion of said electrical wiring in said flexure, and the vicinity thereof are both fixed and a second support surface for supporting said core, and a work clamp pin for clamping together with said second support surface said core to fix it.
A device for wire-bonding the end portion of an electrical wiring and an electronic component to each other, for use in an electronic device including a substrate having said electrical wiring, a driving device which is fixed to said substrate in the position different from that of the formation of said electrical wiring on said substrate, and said electronic component which is fixed to said driving device to be driven by said driving device, said-device comprising a work fixing block having a first support surface to which the rear face of the formation part of said electrical wiring in said substrate, and the vicinity thereof are both fixed and a second support surface for supporting only said electronic component, and a work clamp pin for clamping together with said second support surface said electronic component to fix it.
A method of wire-bonding an electrode formed in a core and the end portion of an electrical wiring to each other, for use in a magnetic head having a flexure having said electrical wiring formed therein, a fine adjustment actuator fixed to said flexure, and said core fixed to said fine adjustment actuator to be driven for said flexure by said fine adjustment actuator, said method comprising the steps of:
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
Backward citations are indexed for grants only.
Specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives: constructional details of the…
Specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives: mounting, aligning or attachment of…
Magnetic recording reproducing transducer [e.g., tape head, core, etc.]: mounting preformed head/core onto other structure
Mounting preformed head/core onto other structure: with bonding
Term end not estimated
1. Field of the Invention
The present invention relates in general to a magnetic head for use in a hard disc drive (hereinafter, referred to as an HDD). More particularly, the invention relates to the construction of a magnetic head for use in the HDD for which the high recording density has been obtained, a bonding device which is suitably employed in the process of manufacturing the magnetic head, and a bonding method.
2. Related Background Art
FIG. 1 is a schematic cross sectional view showing the relation between a fixing mechanism according to the present invention and a magnetic head, according to the present invention, which is fixed to by the fixing mechanism;
FIG. 2A is a view showing the formation procedure of the electrical connection between an electrode and a substrate land by the wire bonding method according to the present invention;
FIG. 2B is a view showing the formation procedure of the electrical connection between an electrode and a substrate land by the wire bonding method according to the present invention;
The construction of a magnetic head, and a bonding method and device according to the present invention will hereinafter be described with reference to the accompanying drawings. FIG. 1 is a schematic cross sectional view of a fixing portion of a magnetic head useful in explaining the magnetic head and a mechanism for fixing the magnetic head used when carrying out the bonding to the magnetic head, according to the present invention, and the arrangement thereof.
As can be seen from the figure, a core 10 is not arranged right above a fine adjustment actuator 30, but is arranged so as to be shifted in the direction of the head of a magnetic head 1 (in the left direction of the drawing in FIG. 1) to form a projection portion 10a which is projected from the position above the fine adjustment actuator 30. The core 10, in the arrangement of interest, is adhered to the fine adjustment actuator 30 at an adhesion portion 30a to be fixed thereto.
Note that the fine adjustment actuator 30 is adhered and fixed to a flexure 4 in an adhesion portion 30b. The arrangement of the core 10 defines a portion of the flexure 4 facing the core 10. A hole 4a is formed through that portion of the flexure 4 facing the projection portion 10a.