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专利 已注册

Glass Spacer and Hard Disc Drive Device

Overview

LaoBiz.com profiles the Laos Patent “Glass Spacer and Hard Disc Drive Device” from open registry fields, filed by HOYA CORPORATION on 2018-10-01; current status: Registered. Identifiers include application No. P/697; DIP id LAP697; protection kind Patent - PCT National Phase. Key dates: publication 2023-06-09; grant 2023-06-09; expiry reference 2038-10-01. Classification: G11B 17/038、G11B 23/00、G11B 25/04、G11B 5/65. Inventor(s)/designer(s): Masao TAKANO, Shinji EDA. Abstract hint: The purpose of the present invention is to prevent adhesion between a magnetic disc and a spacer when removing the magnetic disc and the sp…. Use LaoBiz.com to hop between this IP record, related filings by the same applicant, and the matched company profile when present.

专利 老挝 DIP

申请号 P/697
申请日期 2018-10-01
注册/授权日 2023-06-09
申请人 HOYA CORPORATION
代理机构 Tilleke & Gibbins Lao Co.,Ltd
类别 G11B 17/038 · G11B 23/00 · G11B 25/04 · G11B 5/65

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基础信息

类型
专利
申请号
P/697
状态
已注册
申请人
HOYA CORPORATION
代理机构
Tilleke & Gibbins Lao Co.,Ltd
申请日期
2018-10-01
注册号
P/697
公开/公告日
2023-06-09
注册/授权日
2023-06-09
届满日
2038-10-01
国际分类
G11B 17/038 · G11B 23/00 · G11B 25/04 · G11B 5/65
商品 / 服务
—

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摘要

The purpose of the present invention is to prevent adhesion between a magnetic disc and a spacer when removing the magnetic disc and the spacer from a hard disc drive device where the magnetic disc and the spacer are installed. The surface roughness Ra on the principal surface of the ring-shaped glass spacer in contact with the magnetic disc in the hard disc drive device is set to 1.0 µm or less and the average inclination R∆a of the principal surface is set to 0.02 or greater.

The purpose of the present invention is to prevent adhesion between a magnetic disc and a spacer when removing the magnetic disc and the spacer from a hard disc drive device where the magnetic disc and the spacer are installed. The surface roughness Ra on the principal surface of the ring-shaped glass spacer in contact with the magnetic disc in the hard disc drive device is set to 1.0 µm or less and the average inclination R∆a of the principal surface is set to 0.02 or greater.

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https://www.laobiz.com/ip/patent/LAP697.html · CC BY 4.0

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LaoBiz.com is a Laos business-information and market-research platform for global companies—helping users understand the Lao market, discover opportunities and find potential partners more efficiently. Commercial records are drawn mainly from official public registry systems maintained by Lao competent authorities—including MoIC’s NED (enterprise registration), BNED (business licences) and eBRS (business registration), MoF’s TaxRIS (tax registration), and related official public channels such as intellectual-property filings. LaoBiz.com does not create or alter registry facts; on top of those official public records we organise, standardise, translate, classify by industry and index for search so fragmented filings are easier to find, understand and use. We continuously watch official public-data changes and offer sync tools so users can check an enterprise’s latest public status.

LaoBiz.com is a Laos business-information and market-research platform for global companies—helping users understand the Lao market, discover opportunities and find potential partners more efficiently. Commercial records are drawn mainly from official public registry systems maintained by Lao competent authorities—including MoIC’s NED (enterprise registration), BNED (business licences) and eBRS (business registration), MoF’s TaxRIS (tax registration), and related official public channels such as intellectual-property filings. LaoBiz.com does not create or alter registry facts; on top of those official public records we organise, standardise, translate, classify by industry and index for search so fragmented filings are easier to find, understand and use. We continuously watch official public-data changes and offer sync tools so users can check an enterprise’s latest public status.

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Each LaoBiz.com company profile offers “Sync latest data”. Users can actively request verification for a specific enterprise; the page is then refreshed from what the public systems return. Because company registration, tax status and related public filings are maintained by different authorities, update timing may vary. For business decisions, legal documents, government approvals and other formal uses, please rely on the latest information and official documents issued by the competent authority.

Platform services

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LaoBiz.com is an independently operated business information platform and is not a government body, registry office or official agent. We focus on organising Lao commercial information and on company lookup, market research and data-application services—helping users with company background checks, industry analysis, supplier and partner screening, and early-stage investment research. We can also provide Lao-market information support, business advisory and related enterprise services based on user needs.

LaoBiz.com is an independently operated business information platform and is not a government body, registry office or official agent. We focus on organising Lao commercial information and on company lookup, market research and data-application services—helping users with company background checks, industry analysis, supplier and partner screening, and early-stage investment research. We can also provide Lao-market information support, business advisory and related enterprise services based on user needs.

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Rights in Lao government-published registry information and related data remain with the competent authorities. LaoBiz.com does not claim exclusive ownership of raw government data; we provide organisation, search, multilingual presentation and application of open commercial information. If a rights holder believes content should be corrected or adjusted, please contact us through the site—we will process verified requests.

Rights in Lao government-published registry information and related data remain with the competent authorities. LaoBiz.com does not claim exclusive ownership of raw government data; we provide organisation, search, multilingual presentation and application of open commercial information. If a rights holder believes content should be corrected or adjusted, please contact us through the site—we will process verified requests.

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LaoBiz.com 由 Shynease Global Holdings Limited（香港，公司编号 80032364）运营。用户条款、订单与付款受中国香港特别行政区法律管辖。法定名称、注册办事处与电话见运营主体信息页。平台整理老挝公开商业信息并提供相关市场服务，遵守适用法律法规及公开信息使用规则。

LaoBiz.com is operated by Shynease Global Holdings Limited (Hong Kong, company no. 80032364). The Terms of Service, orders and payments are governed by the laws of the Hong Kong SAR. Legal name, registered office and phone are on the legal-entity page. We organise Lao public commercial information and related market support, and follow applicable laws and public-information use rules.

LaoBiz.com is operated by Shynease Global Holdings Limited (Hong Kong, company no. 80032364). The Terms of Service, orders and payments are governed by the laws of the Hong Kong SAR. Legal name, registered office and phone are on the legal-entity page. We organise Lao public commercial information and related market support, and follow applicable laws and public-information use rules.

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