JPS63261571A - Disk/turn table - Google Patents

Disk/turn table

Info

Publication number
JPS63261571A
JPS63261571A JP9534587A JP9534587A JPS63261571A JP S63261571 A JPS63261571 A JP S63261571A JP 9534587 A JP9534587 A JP 9534587A JP 9534587 A JP9534587 A JP 9534587A JP S63261571 A JPS63261571 A JP S63261571A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
face
disk
abutting
turn
urethane
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.)
Pending
Application number
JP9534587A
Inventor
Shinji Hara
Takashi Yoshizawa
Original Assignee
Nippon Telegr & Teleph Corp <Ntt>
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

Links

Abstract

PURPOSE: To actuate at high speed the disk having large moment of inertia by providing the member easy to be subjected to elastic deformation in a rotary shaft direction and having a high friction coefft. in the space with a recording medium inside the groove of the abutting face of the recording medium of a turn table so that the upper face becomes higher than the abutting face.
CONSTITUTION: A notch shaped groove 2a is formed in the circumferential direction with equal interval on the disk abutting face of a turn table 2 and an urethane rubber piece 8 is fitted into this groove 2a. The thickness of the urethane rubber piece 8 is formed so as to attain to about 30μm projecting amt. δ from the abutting face 2b of the turn table 2. In the case of the disk being fixed, the urethane rubber piece 8 is completely deformed up to the abutting face 2b, so the disk is supported by the abutting face 2b and yet by the fixture of the disk to the abutting face 2b, the friction coefft. becomes larger because of the respective contact of the abutting face 2b and disk, and urethane rubber piece 8 and disk. The high speed actuation of the disk having large moment of inertia is thus enabled.
COPYRIGHT: (C)1988,JPO&Japio
JP9534587A 1987-04-20 1987-04-20 Disk/turn table Pending JPS63261571A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9534587A JPS63261571A (en) 1987-04-20 1987-04-20 Disk/turn table

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9534587A JPS63261571A (en) 1987-04-20 1987-04-20 Disk/turn table

Publications (1)

Publication Number Publication Date
JPS63261571A true true JPS63261571A (en) 1988-10-28

Family

ID=14135090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9534587A Pending JPS63261571A (en) 1987-04-20 1987-04-20 Disk/turn table

Country Status (1)

Country Link
JP (1) JPS63261571A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0527856U (en) * 1991-08-31 1993-04-09 日本電産株式会社 Rotary drive
WO1993010535A1 (en) * 1991-11-22 1993-05-27 Fujitsu Limited Disc device
JPH0927166A (en) * 1995-07-07 1997-01-28 Yamauchi Corp Turn table for recording disk used for information recording and reproducing device
US5608592A (en) * 1992-10-29 1997-03-04 Fujitsu Limited Head actuator
US7566655B2 (en) 2005-05-26 2009-07-28 Applied Materials, Inc. Integration process for fabricating stressed transistor structure
US7732342B2 (en) 2005-05-26 2010-06-08 Applied Materials, Inc. Method to increase the compressive stress of PECVD silicon nitride films
US8129290B2 (en) 2005-05-26 2012-03-06 Applied Materials, Inc. Method to increase tensile stress of silicon nitride films using a post PECVD deposition UV cure
US8138104B2 (en) 2005-05-26 2012-03-20 Applied Materials, Inc. Method to increase silicon nitride tensile stress using nitrogen plasma in-situ treatment and ex-situ UV cure

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6251068A (en) * 1985-08-30 1987-03-05 Canon Inc Disc device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6251068A (en) * 1985-08-30 1987-03-05 Canon Inc Disc device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0527856U (en) * 1991-08-31 1993-04-09 日本電産株式会社 Rotary drive
WO1993010535A1 (en) * 1991-11-22 1993-05-27 Fujitsu Limited Disc device
US5880904A (en) * 1991-11-22 1999-03-09 Fujitsu Limited Disk drive having a thickness equal to an IC memory card
US6016237A (en) * 1991-11-22 2000-01-18 Fujitsu Limited Shaft construction of a disk drive
US5608592A (en) * 1992-10-29 1997-03-04 Fujitsu Limited Head actuator
JPH0927166A (en) * 1995-07-07 1997-01-28 Yamauchi Corp Turn table for recording disk used for information recording and reproducing device
US7566655B2 (en) 2005-05-26 2009-07-28 Applied Materials, Inc. Integration process for fabricating stressed transistor structure
US7732342B2 (en) 2005-05-26 2010-06-08 Applied Materials, Inc. Method to increase the compressive stress of PECVD silicon nitride films
US8129290B2 (en) 2005-05-26 2012-03-06 Applied Materials, Inc. Method to increase tensile stress of silicon nitride films using a post PECVD deposition UV cure
US8138104B2 (en) 2005-05-26 2012-03-20 Applied Materials, Inc. Method to increase silicon nitride tensile stress using nitrogen plasma in-situ treatment and ex-situ UV cure
US8753989B2 (en) 2005-05-26 2014-06-17 Applied Materials, Inc. Method to increase tensile stress of silicon nitride films using a post PECVD deposition UV cure

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