KR970050876A - Disk Drive of Hard Disk Drive - Google Patents

Disk Drive of Hard Disk Drive Download PDF

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Publication number
KR970050876A
KR970050876A KR1019950046429A KR19950046429A KR970050876A KR 970050876 A KR970050876 A KR 970050876A KR 1019950046429 A KR1019950046429 A KR 1019950046429A KR 19950046429 A KR19950046429 A KR 19950046429A KR 970050876 A KR970050876 A KR 970050876A
Authority
KR
South Korea
Prior art keywords
disk drive
magnetic field
disk
generating
hard disk
Prior art date
Application number
KR1019950046429A
Other languages
Korean (ko)
Other versions
KR0183153B1 (en
Inventor
안영섭
Original Assignee
김광호
삼성전자 주식회사
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
Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019950046429A priority Critical patent/KR0183153B1/en
Priority to DE19637953A priority patent/DE19637953B4/en
Priority to GB9621464A priority patent/GB2307769B/en
Priority to JP8323006A priority patent/JPH09167430A/en
Publication of KR970050876A publication Critical patent/KR970050876A/en
Application granted granted Critical
Publication of KR0183153B1 publication Critical patent/KR0183153B1/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/01—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields, i.e. structural association with shields
    • H02K11/014—Shields associated with stationary parts, e.g. stator cores
    • H02K11/0141—Shields associated with casings, enclosures or brackets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors
    • H02K41/0352—Unipolar motors
    • H02K41/0354—Lorentz force motors, e.g. voice coil motors
    • H02K41/0358—Lorentz force motors, e.g. voice coil motors moving along a curvilinear path
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/26—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Rotational Drive Of Disk (AREA)
  • Moving Of Heads (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야1. TECHNICAL FIELD OF THE INVENTION

본 발명은 하드디스크 드라이브의 디스크 구동장치에 관한 것이다.The present invention relates to a disk drive of a hard disk drive.

2. 발명이 해결하려고 하는 기술적 과제2. The technical problem to be solved by the invention

본 발명은 하드디스크 드라이브의 슬림(Slim)화를 위하여 작동성능을 향상시키면서 장착공간(드라이브의 두께)을 최소화할 수 있도록 하는 하드디스크 드라이브의 디스크 구동장치 및 장착구조를 제공하는데 있다.The present invention provides a disk drive device and a mounting structure of a hard disk drive to minimize the mounting space (drive thickness) while improving the operating performance for slimming the hard disk drive (Slim).

3. 발명의 해결방법의 요지3. Summary of Solution to Invention

본 발명은 통상의 하드디스크 드라이브에 있어, 독립된 스핀들 모터를 사용하지 않고 디스크의 내측 동심원상에 회전력을 얻기 위한 자기장을 발생시키는 영구자석을 부착하고, 상기 드라이브의 베이스 역할을 하는 PCB상에 회전력을 얻기위한 자기장을 발생시키는 패턴 코일을 형성하여 상기 영구자석과 코일간의 상호작용으로 회전력을 발생시켜 디스크가 회전되도록 하는 것을 특징으로 한다.According to the present invention, in a conventional hard disk drive, a permanent magnet for generating a magnetic field for obtaining rotational force on the inner concentric circle of the disk without using a separate spindle motor is attached, and a rotational force is applied on a PCB serving as a base of the drive. Forming a pattern coil for generating a magnetic field to obtain is characterized in that the disk is rotated by generating a rotational force by the interaction between the permanent magnet and the coil.

4. 발명의 중요한 용도4. Important uses of the invention

본 발명에 따른 하드디스크 드라이브의 디스크 구동장치는 회전력을 얻기 위한 자기장을 발생하는 동심원상에 부착시켜 PCB의 패턴 코일로부터 발생된 자기장과의 상호 작용을 통하여 발생되는 회전력에 의해 디스크가 회전되도록함에 따라 장착공간(두께)이 현저하게 줄어들게 됨으로써 드라이브의 슬림화를 구현할 수 있도록 하고, 또한 설치 및 회전 구현을 용이하게 할 수 있는 잇점이 있다.The disk drive device of the hard disk drive according to the present invention is attached to a concentric circle for generating a magnetic field to obtain a rotational force so that the disk is rotated by the rotational force generated through interaction with the magnetic field generated from the pattern coil of the PCB Significantly reduced mounting space (thickness) allows the drive to be slimmer, and also facilitates installation and rotation.

Description

하드디스크 드라이브의 디스크 구동장치Disk Drive of Hard Disk Drive

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 본 발명에 따른 디스크를 가지는 하드디스크 드라이브의 평면도.3 is a plan view of a hard disk drive having a disk according to the present invention.

Claims (6)

하드디스크 드라이브의 자기 디스크에 있어서, 상기 디스크(15)의 회전을 위하여, 자기장을 발생시키는 패턴 코일(14a)이 형성된 인쇄회로기판(PCB)(11)과, 상기 PCB(11)의 패턴 코일(14a)이 발생시키는 자기장과 상호 작용을 하도록 자기장을 발생하는 영구자석(15a)을 상기 디스크(15)내측의 동심원상에 지니는 것을 특징으로 하는 하드디스크 드라이브의 디스크 구동장치.In a magnetic disk of a hard disk drive, a printed circuit board (PCB) 11 having a pattern coil 14a for generating a magnetic field for rotating the disk 15, and a pattern coil of the PCB 11 And a permanent magnet (15a) generating a magnetic field on a concentric circle inside the disk (15) so as to interact with the magnetic field generated by (14a). 제1항에 있어서, 상기 영구자석(15a)은 상기 디스크(15)에 접착제로 부착됨을 특징으로 하는 하드디스크 드라이브의 디스크 구동장치.The disk drive apparatus of claim 1, wherein the permanent magnet (15a) is attached to the disk (15) with an adhesive. 제1항에 있어서, 상기 영구자석(15a)은 상기 디스크(15)의 동심원상에 한개 이상 부착되는 것을 특징으로 하는 하드디스크 드라이브의 디스크 구동장치.2. A disk drive apparatus for a hard disk drive according to claim 1, wherein at least one permanent magnet (15a) is attached to concentric circles of the disk (15). 하드디스크 드라이브의 자기 디스크에 있어서, 상기 디스크(15)의 회전을 위하여, 자기장을 발생시키는 패턴 코일(14a)이 형성된 베이스와, 상기 베이스의 패턴 코일(14a)이 발생시키는 자기장과 상호 작용을 하도록 자기장을 발생하는 영구자석(15a)을 상기 디스크(15)내측의 동심원상에 지니고, 상기 디스크(15)의 영구자석(15a)이 부착되지 않은 면에 자기장의 유출을 차단해주기 위해 자기장 차단물질(19)을 부착하는 것을 특징으로 하는 하드디스크 드라이브의 디스크 구동장치.In a magnetic disk of a hard disk drive, for rotation of the disk 15, the magnetic disk generated by the pattern coil 14a for generating a magnetic field interacts with the magnetic field generated by the pattern coil 14a of the base. A magnetic field shielding material is provided to have a permanent magnet 15a generating a magnetic field on a concentric circle inside the disk 15 and to block the outflow of the magnetic field on a surface where the permanent magnet 15a of the disk 15 is not attached. 19) A disk drive device of a hard disk drive, characterized in that the attachment. 제4항에 있어서, 상기 자기장 차단물질(19)은 페라이트 비이드임을 특징으로 하는 하드디스크 드라이브의 디스크 구동장치.The disk drive apparatus of claim 4, wherein the magnetic field blocking material is a ferrite bead. 제5항에 있어서, 상기 페라이트 비이드는 상기 디스크(15)의 내측 동심원상에 링형으로 부착됨을 특징으로 하는 하드디스크 드라이브의 디스크 구동장치.6. The disk drive apparatus of claim 5, wherein the ferrite beads are attached in a ring shape on an inner concentric circle of the disk (15). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950046429A 1995-11-30 1995-12-04 Disk moving apparatus of hard disk drive KR0183153B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019950046429A KR0183153B1 (en) 1995-12-04 1995-12-04 Disk moving apparatus of hard disk drive
DE19637953A DE19637953B4 (en) 1995-12-04 1996-09-17 Disk drive unit of a hard disk drive
GB9621464A GB2307769B (en) 1995-11-30 1996-10-15 Data storage device
JP8323006A JPH09167430A (en) 1995-12-04 1996-12-03 Disk drive for hard disk drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950046429A KR0183153B1 (en) 1995-12-04 1995-12-04 Disk moving apparatus of hard disk drive

Publications (2)

Publication Number Publication Date
KR970050876A true KR970050876A (en) 1997-07-29
KR0183153B1 KR0183153B1 (en) 1999-04-15

Family

ID=19437590

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950046429A KR0183153B1 (en) 1995-11-30 1995-12-04 Disk moving apparatus of hard disk drive

Country Status (3)

Country Link
JP (1) JPH09167430A (en)
KR (1) KR0183153B1 (en)
DE (1) DE19637953B4 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004030500A1 (en) 2004-06-24 2006-01-12 Dr. Johannes Heidenhain Gmbh Voice coil motor and positioning device equipped with it
JP2007087465A (en) * 2005-09-20 2007-04-05 Samsung Electronics Co Ltd Hard disk drive
TWM381953U (en) * 2009-08-06 2010-06-01 Gene Power Holding Co Ltd Generator structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56137555A (en) * 1980-03-27 1981-10-27 Sony Corp Optical disc cassette and disc driving method
JPH04200248A (en) * 1990-11-29 1992-07-21 Mitsubishi Electric Corp Disk drive
EP0574074B1 (en) * 1992-06-09 1998-03-04 Koninklijke Philips Electronics N.V. Data storage unit

Also Published As

Publication number Publication date
DE19637953B4 (en) 2006-01-19
DE19637953A1 (en) 1997-06-05
KR0183153B1 (en) 1999-04-15
JPH09167430A (en) 1997-06-24

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