CN1249672C - 磁盘用磁头的搬送用托盘 - Google Patents
磁盘用磁头的搬送用托盘 Download PDFInfo
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- CN1249672C CN1249672C CNB008021775A CN00802177A CN1249672C CN 1249672 C CN1249672 C CN 1249672C CN B008021775 A CNB008021775 A CN B008021775A CN 00802177 A CN00802177 A CN 00802177A CN 1249672 C CN1249672 C CN 1249672C
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- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0013—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fillers dispersed in the moulding material, e.g. metal particles
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0067—Devices for protecting against damage from electrostatic discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0008—Anti-static agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
- B29K2995/0005—Conductive
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2508—Magnetic discs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31507—Of polycarbonate
Abstract
Description
例 | 实施例 | 比较例 | ||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 1 | 2 | ||
树脂组合物配合重量份 | 聚碳酸酯-1 | 100 | 100 | 100 | 100 | 100 | 100 | - | 100 | 100 |
聚碳酸酯-2 | - | - | - | - | - | - | 100 | - | ||
碳原纤维 | 4.5 | - | - | 3.2 | 4.5 | 4.5 | 4.5 | - | - | |
聚醚酯酰胺 | - | 25 | - | 10 | - | - | - | - | - | |
导电性晶须 | - | - | 25 | - | - | - | - | - | - | |
乙炔黑 | - | - | - | - | - | - | - | 20 | - | |
碳纤维 | - | - | - | - | - | - | - | - | 25 | |
混炼条件 | 混炼温度(℃) | 300 | 260 | 320 | 260 | 300 | 320 | 320 | 280 | 300 |
螺杆旋转速度(RPM) | 100 | 100 | 100 | 100 | 100 | 300 | 300 | 200 | 100 | |
挤出量(kg/h) | 30 | 30 | 30 | 30 | 30 | 20 | 20 | 30 | 40 | |
排气(kPa) | <10 | <10 | <10 | <10 | 开放 | <10 | <10 | <10 | 开放 |
例 | 实施例 | 比较例 | ||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 1 | 2 | ||
表面电阻值(Ω) | 6×107 | 2×1011 | 7×109 | 7×108 | 6×107 | 8×106 | 7×106 | 9×108 | 1×104 | |
微粒产生量(pcs/cm2) | 340 | 190 | 4120 | 270 | 360 | 290 | 320 | 13160 | 5230 | |
氯离子溶出量(μg/cm2) | 0.0010 | - | - | - | - | - | - | - | 0.0171 | |
不挥发性有机物溶出量(μg/cm2) | 0.45 | - | - | - | - | - | - | - | 0.72 | |
表面粗糙度(※) | Rz(μm) | 1.12 | 0.98 | 4.21 | 1.01 | 1.20 | 0.98 | 1.02 | 3.12 | 18.6 |
tp10(%) | 0.9 | - | 1.4 | - | 1.1 | 0.8 | 0.8 | 0.8 | 4 | |
PC(/cm) | 80 | - | 312 | - | 103 | 67 | 92 | 282 | 154 | |
损伤 | ◎ | ◎ | ○ | ◎ | ◎ | ◎ | ◎ | ○ | × | |
总气体放出量(μg/g) | 0.10 | 0.36 | 0.17 | 0.30 | 1.2 | 0.20 | 0.18 | 0.28 | 0.98 | |
二氯甲烷放出量(μg/g) | 0.02 | 0.03 | ND | 0.04 | 0.14 | ND | ND | 0.02 | 0.14 | |
正庚烷放出量(μg/g) | ND | ND | ND | ND | ND | ND | ND | ND | ND | |
磁头元件腐蚀情况 | ○ | ○ | ○ | ○ | × | ○ | ○ | ○ | × |
聚碳酸酯树脂组合物No. | A | B | C | D | E | F | G | H | I | |
配合比例重量% | 聚碳酸酯-1 | 90 | 80 | 82 | 80 | 95.7 | 95.7 | |||
聚碳酸酯-2 | 95.7 | 80 | ||||||||
聚碳酸酯-3 | 95.7 | |||||||||
碳纤维 | 10 | 20 | ||||||||
导电性晶须 | 20 | |||||||||
炭黑 | 18 | |||||||||
碳原纤维 | 4.3 | 4.3 | 4.3 | 4.3 | ||||||
高分子型抗静电剂 | 20 | |||||||||
混炼条件 | 混炼温度(℃) | 300 | 320 | 280 | 320 | 300 | 260 | 300 | 320 | 320 |
螺杆旋转速度(RPM) | 100 | 100 | 200 | 300 | 100 | 100 | 100 | 300 | 300 | |
挤出量(kg/h) | 40 | 30 | 30 | 20 | 40 | 30 | 30 | 20 | 20 | |
排气(kPa) | <10 | <10 | <10 | <10 | 开放 | <10 | 开放 | <10 | <10 | |
弯曲模量(kg/cm2) | 65000 | 42000 | 25800 | 24900 | 120000 | 20500 | 24800 | 25200 | 25100 |
表面电阻值(Ω) | 表面粗糙度 | 损伤 | 总气体放出量(μg/g) | 二氯甲烷产生量(μg/g) | 正庚烷产生量(μg/g) | 磁头元件腐蚀 | 微粒产生量(PCS/cm2) | 氯离子溶出量(μg/cm2) | 不挥发性有机物溶出量(μg/cm2) | ||||
Rz | tp10 | Pc(/cm) | |||||||||||
实施例 | 8 | 1×104 | 14.9 | 8.3 | 76 | ○ | 0.22 | ND | ND | ○ | 2650 | 0.008 | 0.59 |
9 | 2×103 | 9.76 | 2.3 | 48 | ○ | 0.21 | ND | ND | ○ | 2120 | 0.007 | 0.55 | |
10 | 7×109 | 11.4 | 10.1 | 26 | ○ | 0.17 | ND | ND | ○ | 4100 | <0.005 | 0.54 | |
11 | 4×108 | 3.32 | 0.7 | 242 | ○ | 0.28 | 0.02 | ND | ○ | 13160 | - | - | |
12 | 6×107 | 1.12 | 0.9 | 80 | ◎ | 0.09 | ND | ND | ○ | 340 | 0.0010 | 0.45 | |
13 | 9×107 | 17.7 | 6.5 | 32 | ○ | 0.11 | ND | ND | ○ | 380 | <0.005 | 0.42 | |
14 | 5×1011 | 12.1 | 9.2 | 25 | ◎ | 0.36 | 0.03 | ND | ○ | 190 | - | - | |
15 | 6×107 | 1.20 | 1.1 | 103 | ◎ | 1.2 | 0.14 | ND | × | 360 | <0.005 | 0.38 | |
16 | 8×106 | 0.98 | 0.8 | 67 | ◎ | 0.20 | ND | ND | ○ | 290 | <0.005 | 0.40 | |
17 | 7×106 | 1.02 | 0.8 | 92 | ◎ | 0.18 | ND | ND | ○ | 320 | <0.005 | 0.48 | |
比较例 | 3 | 1×101 | 18.6 | 4 | 154 | × | 0.75 | 0.12 | ND | × | 5230 | 0.0171 | 0.72 |
4 | 9×109 | 18.1 | 0.8 | 95 | × | - | - | - | - | - | - | - |
例 | 实施例 | 比较例 | ||||||
18 | 19 | 20 | 21 | 22 | 5 | 6 | ||
表面电阻值(Ω) | 1×104 | 4×108 | 7×107 | 8×107 | 3×107 | 1×101 | 4×107 | |
二氯甲烷放出量(μg/g) | ND(<0.01) | ND(<0.01) | ND(<0.01) | ND(<0.01) | 0.06 | 0.6 | 0.7 | |
总气体放出量(μg/g) | 1.5 | 0.8 | 0.3 | 0.6 | 0.3 | 1.2 | 1.1 | |
正庚烷放出量(μg/g) | 0.9 | 0.6 | ND(<0.01) | ND(<0.01) | ND(<0.01) | ND(<0.01) | ND(<0.01) | |
磁头(元件)腐蚀 | ○ | ○ | ○ | ○ | ○ | × | × | |
表面粗糙度(※) | Rz(μm) | 12.8 | 4.53 | 1.08 | 1.21 | 1.15 | 15.5 | 1.25 |
tp10(%) | 7.8 | 0.8 | 1.4 | 1.2 | 1.2 | 4.2 | 2.1 | |
Pc(/cm) | 54 | 321 | 67 | 54 | 48 | 188 | 79 | |
损伤 | ○ | ○ | ◎ | ◎ | ◎ | × | ◎ | |
微粒产生量(pcs/cm2) | 3840 | 12380 | 280 | 190 | 370 | 5230 | 260 | |
氯离子溶出量(μg/cm2) | 0.007 | 0.005以下 | 0.005以下 | 0.005以下 | 0.0171 | 0.005以下 | ||
不挥发性有机物溶出量(μg/cm2) | 0.62 | 0.48 | 0.51 | 0.41 | 0.72 | 0.45 |
Claims (8)
Applications Claiming Priority (18)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22419399 | 1999-08-06 | ||
JP224192/99 | 1999-08-06 | ||
JP22419199 | 1999-08-06 | ||
JP22419299 | 1999-08-06 | ||
JP224193/1999 | 1999-08-06 | ||
JP224191/99 | 1999-08-06 | ||
JP224192/1999 | 1999-08-06 | ||
JP224191/1999 | 1999-08-06 | ||
JP224193/99 | 1999-08-06 | ||
JP2000067486A JP4239349B2 (ja) | 1999-08-06 | 2000-03-10 | 磁気ディスク用磁気ヘッドの搬送用トレイ |
JP67486/2000 | 2000-03-10 | ||
JP2000067484A JP4239347B2 (ja) | 1999-08-06 | 2000-03-10 | 磁気ディスク用磁気ヘッドの搬送用トレイ |
JP2000067485A JP4239348B2 (ja) | 1999-08-06 | 2000-03-10 | 磁気ディスク用磁気ヘッドの搬送用トレイ |
JP67484/00 | 2000-03-10 | ||
JP67484/2000 | 2000-03-10 | ||
JP67485/00 | 2000-03-10 | ||
JP67486/00 | 2000-03-10 | ||
JP67485/2000 | 2000-03-10 |
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Publication Number | Publication Date |
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CN1327576A CN1327576A (zh) | 2001-12-19 |
CN1249672C true CN1249672C (zh) | 2006-04-05 |
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US (1) | US6780490B1 (zh) |
KR (1) | KR100630292B1 (zh) |
CN (1) | CN1249672C (zh) |
WO (1) | WO2001011612A1 (zh) |
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- 2000-08-04 US US09/806,992 patent/US6780490B1/en not_active Expired - Lifetime
- 2000-08-04 CN CNB008021775A patent/CN1249672C/zh not_active Expired - Lifetime
- 2000-08-04 KR KR1020017004290A patent/KR100630292B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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WO2001011612A1 (fr) | 2001-02-15 |
KR20010099669A (ko) | 2001-11-09 |
US6780490B1 (en) | 2004-08-24 |
CN1327576A (zh) | 2001-12-19 |
KR100630292B1 (ko) | 2006-09-29 |
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