JPWO2023090432A1 - - Google Patents

Info

Publication number
JPWO2023090432A1
JPWO2023090432A1 JP2023543241A JP2023543241A JPWO2023090432A1 JP WO2023090432 A1 JPWO2023090432 A1 JP WO2023090432A1 JP 2023543241 A JP2023543241 A JP 2023543241A JP 2023543241 A JP2023543241 A JP 2023543241A JP WO2023090432 A1 JPWO2023090432 A1 JP WO2023090432A1
Authority
JP
Japan
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.)
Granted
Application number
JP2023543241A
Other versions
JPWO2023090432A5 (ja
JP7378682B2 (ja
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 filed Critical
Publication of JPWO2023090432A1 publication Critical patent/JPWO2023090432A1/ja
Publication of JPWO2023090432A5 publication Critical patent/JPWO2023090432A5/ja
Application granted granted Critical
Publication of JP7378682B2 publication Critical patent/JP7378682B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
    • C10M135/08—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium containing a sulfur-to-oxygen bond
    • C10M135/10—Sulfonic acids or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • C10M137/12—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having a phosphorus-to-carbon bond
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M139/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups C10M127/00 - C10M137/00
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • 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
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • 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
    • G11B5/58—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/32—Esters
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/32—Esters
    • C10M105/38—Esters of polyhydroxy compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Lubricants (AREA)
JP2023543241A 2021-11-19 2022-11-18 流体動圧軸受、スピンドルモータ及びディスク駆動装置 Active JP7378682B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021188948 2021-11-19
JP2021188948 2021-11-19
PCT/JP2022/042914 WO2023090432A1 (ja) 2021-11-19 2022-11-18 流体動圧軸受、スピンドルモータ及びディスク駆動装置

Publications (3)

Publication Number Publication Date
JPWO2023090432A1 true JPWO2023090432A1 (ja) 2023-05-25
JPWO2023090432A5 JPWO2023090432A5 (ja) 2023-10-24
JP7378682B2 JP7378682B2 (ja) 2023-11-13

Family

ID=86397027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023543241A Active JP7378682B2 (ja) 2021-11-19 2022-11-18 流体動圧軸受、スピンドルモータ及びディスク駆動装置

Country Status (2)

Country Link
JP (1) JP7378682B2 (ja)
WO (1) WO2023090432A1 (ja)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4045942B2 (ja) 2002-12-06 2008-02-13 松下電器産業株式会社 流体軸受装置及びこれを用いた磁気ディスク装置
JP5074687B2 (ja) 2005-07-15 2012-11-14 出光興産株式会社 含油軸受用潤滑剤
JP2008133339A (ja) 2006-11-28 2008-06-12 Nippon Densan Corp 潤滑剤並びにそれを用いたスピンドルモータ及び記録ディスク駆動装置
DE102007028427A1 (de) 2007-06-20 2008-12-24 KLüBER LUBRICATION MüNCHEN KG Verwendung von ionischen Flüssigkeiten zur Verbesserung der Eigenschaften von Schmierstoffzusammensetzungen
SE535675C2 (sv) 2011-03-22 2012-11-06 Högprestandasmörjmedel och tillsatser till smörjmedel för järnhaltiga och icke järnhaltiga material
US20140314351A1 (en) 2013-03-28 2014-10-23 Minebea Co., Ltd. Fluid dynamic pressure bearing oil, fluid dynamic pressure bearing using the same, and spindle motor
JP2016017101A (ja) * 2014-07-04 2016-02-01 オイレス工業株式会社 潤滑剤、摺動部材および摺動機構
JP6764424B2 (ja) 2017-03-08 2020-09-30 日本電産株式会社 流体動圧軸受用潤滑油、流体動圧軸受、スピンドルモータ及びディスク駆動装置
JP6862254B2 (ja) 2017-04-07 2021-04-21 デクセリアルズ株式会社 イオン液体、潤滑剤及び磁気記録媒体
JP7084794B2 (ja) 2017-09-28 2022-06-15 ミネベアミツミ株式会社 イオン液体、及び潤滑剤組成物

Also Published As

Publication number Publication date
WO2023090432A1 (ja) 2023-05-25
JP7378682B2 (ja) 2023-11-13

Similar Documents

Publication Publication Date Title
BR112021014123A2 (ja)
BR112022024743A2 (ja)
BR102021018859A2 (ja)
BR102021015500A2 (ja)
BR112022009896A2 (ja)
BR102021007058A2 (ja)
BR102020022030A2 (ja)
JPWO2023074701A1 (ja)
BR112023011738A2 (ja)
BR112023004146A2 (ja)
BR112023009656A2 (ja)
BR102021020147A2 (ja)
BR102021018926A2 (ja)
BR102021018167A2 (ja)
BR102021017576A2 (ja)
BR102021016837A2 (ja)
BR102021016551A2 (ja)
BR102021016375A2 (ja)
BR102021016200A2 (ja)
BR102021016176A2 (ja)
BR102021015566A2 (ja)
BR102021015450A8 (ja)
BR102021015220A2 (ja)
BR102021015247A2 (ja)
BR102021014044A2 (ja)

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230718

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230718

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20230718

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230830

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230907

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20231011

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20231031

R150 Certificate of patent or registration of utility model

Ref document number: 7378682

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150