CN1152167A - Magnetic head assembly - Google Patents
Magnetic head assembly Download PDFInfo
- Publication number
- CN1152167A CN1152167A CN 96109226 CN96109226A CN1152167A CN 1152167 A CN1152167 A CN 1152167A CN 96109226 CN96109226 CN 96109226 CN 96109226 A CN96109226 A CN 96109226A CN 1152167 A CN1152167 A CN 1152167A
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- CN
- China
- Prior art keywords
- head
- bracing
- magnetic
- strutting arrangement
- magnetic recording
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- 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.)
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- Supporting Of Heads In Record-Carrier Devices (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Abstract
The magnetic heads having bracket to support the magnetic head on recording/ reproducing device, which is formed by one sheet of the sheet metal consisting of 1st-4th supporting parts. Both side surfaces of the magnetic head in the traveling direction of a magnetic recording medium are supported by the 1st and 2nd supporting parts, while both side surfaces of the 1st and 2nd supporting parts are supported by the 3rd and 4th supporting parts.
Description
The present invention relates to be used for to write down and/or the head stack of the magnetic recording/reproducing apparatus of playback information, so that by writing down and/or playback information with the sliding contact of magnetic recording media, and more particularly, the present invention relates to turn, convertible to head stack, it can rotate 180 ° of angles and record/put operation when magnetic recording media moves forward or backwards.
Can carry out forward and reverse recording playback continuously and need not the replanting tape being widely used for tape videocorder and automobile stereo equipment with the automatic reverse magnetic recording/reproducing apparatus that simplifies the operation.
This automatic reverse magnetic recording/reproducing apparatus comprises a head suspension and at least one magnetic head.The head suspension that magnetic head is housed can rotate, and can move on the required direction on certain plane or on required vertical direction so that this magnetic head can be with respect to forward and oppositely finished identical functions.
Fig. 6 and Fig. 7 have provided the conventional head assembly.
With reference to figure 6 and Fig. 7, head stack by magnetic is recorded-is put 2 and magnetic cleaning 3 be installed on the head suspension 4 and constitute.In some head stack, magnetic is recorded-is put 2 and is combined into magnetic head unit with magnetic cleaning 3, and this magnetic head unit is loaded on the head suspension 4.
Magnetic record-put 2 and magnetic cleaning 3 have magnetic core 5 and 6 separately, and have the coil (not shown) to be around on this magnetic core 5 and 6.Being formed at head gap 7 and 8 on magnetic core 5 and 6 opens respectively at magnetic on the slidingsurface 10 of recording-put a slidingsurface 9 of 2 and magnetic cleaning 3.Slidingsurface 9 and 10 with respect to the traffic direction bending of tape (magnetic recording media) 20 so that magnetic core 5 and 6 can contact with tape 20 securely.Head suspension 4 has lead-in spiral guide piece 11 at its end with respect to the close magnetic cleaning of tape 20 traffic directions 3, has throwout spiral guide piece 12 and record-put an other end of 2 at it near magnetic.Head suspension 4 has a pair of hole 15.Fastener (not shown, as screw) passes this hole 15 is fixed on this head suspension 4 on certain device of magnetic recording/reproducing apparatus.
Lead-in spiral guide piece 11 and throwout spiral guide piece 12 have the writing board shape of band groove.Sliding contact takes place with tape guidance surface 13 and 14 (being the basal surface of lead-in spiral guide piece 11 and throwout spiral guide piece 12 grooves) in tape 20 in operational process.Tape guidance surface 13 and 14 is slight curving on the traffic direction with respect to tape 20.
Tape 20 by the guidepost (not shown) in the magnetic recording/reproducing apparatus that comprises head stack 1 guiding so that move along tape channel predetermined in this magnetic recording/reproducing apparatus, this tape 20 successively along the tape guidance surface 13 of lead-in spiral guide piece 11, slidingsurface 10, the magnetic of magnetic cleaning 3 record-put tape guidance surface 14 sliding and runnings of 2 slidingsurface 9 and throwout spiral guide piece 12, again by the guiding of the guidepost (not shown) in the magnetic recording/reproducing apparatus so that move along predetermined tape channel.
Be recorded on the tape 20 magnetic information along with tape 20 operation pass out the magnetic cleaning 3 on slidingsurface 10 magnetic gap 8 and by flush away.Pass out in magnetic and record-put magnetic gap 7 on 2 the slidingsurface 9 along with tape 20 operation, perhaps information is recorded on this tape 20, and perhaps the information that write down of this tape 20 is reset.
There is following point in above-mentioned technology.
Usually, head suspension is zinc casting forming or resin-molded shaping.Therefore, must carry out complicated design to support magnetic head; That is to say that will imbed in order to the web joint of fixing this magnetic head or between magnetic head and head suspension and insert this web joint, this needs complicated production run also increase parts number, thereby has increased cost in magnetic head.
Because the die forming of head suspension uses a large amount of relatively pattern-making materials, so comparatively speaking, the material cost height of this head suspension.Because this head suspension has relatively large weight, thus need relative to higher torque rotating this head suspension, thus increased energy resource consumption.
Because head suspension is generally zinc casting forming or resin-molded shaping, so will utilize bonding agent (as certain resin) that magnetic head is fixed on this head suspension.The drying time of this bonding agent is long, thereby increases cost, and if do not parch fully then can reduce reliability.
Therefore, the object of the present invention is to provide a kind of head suspension that is used for head stack, this support can solve the existing problem of conventional head assembly, can shorten production run, and it is easy to process
According to a first aspect of the invention, head stack comprise magnetic head with in order to this magnetic head is supported in the head suspension on the magnetic recording/reproducing apparatus, wherein this head suspension is made by sheet metal.
According to a second aspect of the invention, in head stack according to first aspect present invention, head suspension has first and second bracing or strutting arrangements, in order to magnetic head being supported on its opposite flank that is substantially perpendicular to the magnetic recording media traffic direction, and first and second bracing or strutting arrangements are made by the single metal thin plate.
According to a third aspect of the invention we, in head stack according to first aspect present invention, head suspension has third and fourth bracing or strutting arrangement, in order to magnetic head being supported on its opposite flank that is arranged essentially parallel to the magnetic recording media traffic direction, and third and fourth bracing or strutting arrangement is made by the single metal thin plate.
According to a forth aspect of the invention, in head stack according to first aspect present invention, head suspension has first and second bracing or strutting arrangements, in order to magnetic head is supported on its opposite flank that is substantially perpendicular to the magnetic recording media traffic direction, also has third and fourth bracing or strutting arrangement, in order to magnetic head being supported on its opposite flank that is arranged essentially parallel to the magnetic recording media traffic direction, and first to fourth bracing or strutting arrangement is made by the single metal thin plate.
According to a fifth aspect of the invention, according to the present invention second to the fourth aspect in each the head stack, bracing or strutting arrangement utilizes the flat surface of sheet metal that magnetic head is supported on its side surface.
According to a sixth aspect of the invention, according to the present invention aspect second to the 5th in each the head stack, at least the first bracing or strutting arrangement or second bracing or strutting arrangement have a pair of projection in the side of magnetic recording media, in order to as the tape guidance device.
According to a seventh aspect of the invention, in according to sixth aspect present invention in the head stack, this has locating device to projection, in order to the magnetic head that is associated with this magnetic recording media with respect to magnetic recording media traffic direction location, and this locating device is made of the part of sheet metal to the bending of bracing or strutting arrangement inside surface.
According to an eighth aspect of the invention, in head stack according to sixth aspect present invention, in order to the locating device of the magnetic head that is associated with this magnetic recording media with respect to magnetic recording media traffic direction location by sheet metal between a pair of projection that bracing or strutting arrangement inside surface sweep forms groove and constitute.
According to a ninth aspect of the invention, according to the present invention aspect second to the 5th in each the head stack, in order to the locating device of the magnetic head that is associated with this magnetic recording media with respect to magnetic recording media traffic direction location by the die-cut inside surface that is formed at bracing or strutting arrangement partly.
According to the tenth aspect of the invention, in according to each head stack in aspect of the present invention second to the 5th, third and fourth bracing or strutting arrangement has pedestal, be individually fixed on the magnetic recording/reproducing apparatus by this pedestal third and fourth bracing or strutting arrangement, this pedestal has hole separately, and forms a pair of pole respectively in the relative both sides of each hole.
According to an eleventh aspect of the invention, in the head stack according to tenth aspect present invention, the pole and third and fourth bracing or strutting arrangement are formed at same plane.
According to a twelfth aspect of the invention, according to the present invention second to the fourth aspect in each the head stack, magnetic head is the combined head in conjunction with a plurality of different cross-sectional magnetic head elements, and utilizes punching press to form mutually conformal with this combined head cross sectional shape basically permanent opening.
Introduce preferred version of the present invention below with reference to the accompanying drawings.
Fig. 1 is the skeleton view of the first scheme head stack according to the present invention, and Fig. 2 (a), 2 (b), 2 (c) and 2 (d) are respectively head stack forward sight shown in Figure 1, look down, a left side is looked and right view, and Fig. 3 is the skeleton view of head suspension in the head stack shown in Figure 1.
Magnetic record-put 2 and magnetic cleaning 3 have magnetic core 5 and 6 separately, and have the coil (not shown) to be around on this magnetic core 5 and 6.Being formed at head gap 7 and 8 on magnetic core 5 and 6 opens respectively at magnetic on the slidingsurface 10 of recording-put a slidingsurface 9 of 2 and magnetic cleaning 3.Slidingsurface 9 and 10 with respect to the traffic direction bending of tape (magnetic recording media) so that magnetic core 5 and 6 can contact with tape securely.
The head suspension of being made by sheet metal can be used as coupling arrangement, and it is simple in structure and without any need for web joint.Because this head stack does not need any web joint, thus can simplify manufacture process and reduce number of elements, thus reduce cost.
The volume of this head suspension is less relatively, thereby the consumption of its material is also relatively low.Because the weight of this magnetic support is lighter relatively, thereby can rotate relative to less torque in usefulness under low energy resource consumption.
Because this head suspension is made by sheet metal, magnetic head is fixed on this head suspension so the utilisation point weldering is handled.Spot welding is handled and is provided an electric current in the metal works part of carrying out resistance welded.For example, when the radome that is used to shield magnetic head by metal (being generally magnetic material) when making, the utilisation point weldering is fixed in magnetic head on this head suspension.Because the thickness of the metal material of the sheet metal of formation head suspension and formation magnetic head radome is less relatively, and it is very short that this radome and head suspension are welded together the required time, can shorten so produce the required time of this head stack, thereby reduce production cost.The reliability of weld strength can be improved by selecting the welding position.
Preferably form first bracing or strutting arrangement 23, second bracing or strutting arrangement 24, the 3rd bracing or strutting arrangement 25 and the 4th bracing or strutting arrangement 26 simultaneously by processing single sheet metal.This structure has further increased the reliability of constant intensity and has increased the physical strength of head suspension.
As improvement, can save any in first to fourth bracing or strutting arrangement.Although the location of magnetic head 2 and 3 is undertaken by three lateral location of fixing its assembled unit, also can produce aforementioned effect obviously.
Lead-in spiral guide piece 28 be formed at magnetic cleaning 3 second bracing or strutting arrangement 24 that join on, and throwout spiral guide piece 27 is formed at magnetic and records-put on 2 first bracing or strutting arrangement 23 that join. Tape guidance device 27 and 28 has a pair of projection 27a and a pair of projection 28a respectively, in order at the tape of location in a lateral direction with respect to parallel tape width.Groove 27b and 28b be formed at respectively projection between the 27a and projection between the 28a.
Because tape guidance device 27 and 28 can be formed at respectively on bracing or strutting arrangement 23 and 24, thus do not need other guide piece, thus this head stack constitutes by simple structure.
The projection of lead-in spiral guide piece 28 curves inwardly to the top of 28a and forms locating device 28a1 on second bracing or strutting arrangement 24, so that location magnetic cleaning 3 on respect to the direction on vertical tape surface.First bracing or strutting arrangement 23 limit groove 27b bottom partly neck-in and form locating device 27b1 so that location magnetic records-puts 2 on respect to the direction on vertical tape surface.Therefore, magnetic head 2 and 3 can easily be located, and this locating device can utilize some part of bending metals thin plate and formation easily.
The locating device 27b1 surface of throwout spiral guide piece 27 can be used as the tape guidance surface.When the surface of throwout spiral guide piece 27 is used as tape guidance when surface, this surface is slight curving on respect to tape running direction.
The 3rd bracing or strutting arrangement 25 and the 4th bracing or strutting arrangement 26 have pedestal 31 and 32 respectively, so that be connected with certain device of magnetic recording/reproducing apparatus.Pedestal 31 and 32 has hole 29 and 30 respectively.Fastener (not shown, as screw) passes hole 29 and 30 so that the coupling arrangement of head suspension 22 with magnetic recording/reproducing apparatus fixed.A pair of pole 33 is formed at hole 29 and 30 relative both sides with another respectively to pole 34.The head suspension of this structure although it is made by sheet metal, can stably support magnetic head and head stack is rotated reposefully.Head suspension with child device of configuration like this is easy to process with punching press and bending, thereby is easy to sheet metal is processed to make this head suspension.
Preferably when forming first bracing or strutting arrangement 23, second bracing or strutting arrangement 24, the 3rd bracing or strutting arrangement 25, make its cross sectional shape mutually conformal with magnetic head 2 and 3 with the 4th bracing or strutting arrangement 26.Magnetic record-put 2 and the cross-sectional area of magnetic cleaning 3 different.Head suspension 22 has opening 35, and it is formed by punching press, and its shape is mutually conformal with the shape of cross section of magnetic head 2 and 3 combination block (combined head unit) basically.Thereby the gap that magnetic head can be very little is fixed on the head suspension, and consequently this magnetic head can be firmly and is fixed on easily on this head suspension.
Fig. 4, Fig. 5 (a), 5 (b), 5 (c) and 5 (d) are respectively according to the present invention the skeleton view of head suspension in the alternative plan head stack, front view, following view, left view and right view, those parts wherein identical or that describe corresponding to earlier in respect of figures 1 to Fig. 3 mark with identical reference symbol, and its explanation will be omitted.
Be used on respect to the direction on vertical tape surface location magnetic record-put a locator protrusions 27a2 of 2 utilize the half die-cut projection that is formed at throwout spiral guide piece 27 to 27a on so that outstanding from the inside surface of first bracing or strutting arrangement 23.Like this, magnetic head 2 can be located easily, and this locator protrusions can be easily by half die-cut formation.
Be in same plane as for a pair of pole 33 on the pedestal 31 and the 3rd bracing or strutting arrangement 25, and a pair of pole 34 and the 4th bracing or strutting arrangement 26 that stand on the pedestal 32 are in same plane.The head suspension of Gou Chenging has increased intensity like this, and has also increased applying the tolerance of load on it when head stack changes the stopping time repeatedly.
In Fig. 4 and head suspension shown in Figure 5, engage 40 and be formed on one of bracing or strutting arrangement.This joint 40 can be the dovetail joint shown in Fig. 5 (d), and perhaps the relative part of this joint opposite flank bracing or strutting arrangement can be utilized bonding agent or stitch bonds together.Magnetic head can be fixed on the head suspension when forming this joint.
Although in to explanation of the present invention, it is described to be applied to have the head stack that head and magnetic cleaning head were recorded-put to magnetic, and very natural, the present invention can be applicable to various head stacies, such as the head stack that has only the magnetic reproducing head.
According to a first aspect of the invention, the head suspension that is formed by sheet metal can be used as and connects dress Put and have simple structure and need not any connecting plate. Because this head suspension is without any need for connection Plate, thus production process can be simplified, reduce number of elements and reduce cost.
This head suspension has relatively little volume, thus the material cost less of this head suspension Because this head suspension is relatively light, thereby the energy resource consumption that this head suspension can be relatively low is used Little torque is rotated.
Because this head suspension is formed by sheet metal, so magnetic head can be fixed on by spot welding processing On the head suspension. Because the spot welding required time is very short, produce required so can shorten head stack Time also reduces production costs. The reliability of weld strength can be improved by suitable selection welding position.
According to of the present invention second to fourth aspect, head suspension has by relative thin and has flexible Sheet metal and first and second bracing or strutting arrangement of making. Therefore, magnetic head can be contained in first and second Between the bracing or strutting arrangement. Like this, this magnetic head can be in process of production temporarily by first and second bracing or strutting arrangements Position, and can any bonding agent and fix. When utilizing resin or by spot welding the most at last When magnetic head was fixed on the head suspension, this fixation of first and second bracing or strutting arrangements was very effective , so magnetic head can be fixed on the head suspension highly reliably.
Third and fourth bracing or strutting arrangement is made of the single metal thin plate. Thereby, with first and second supports Install similarly, third and fourth bracing or strutting arrangement is fixed head and play above-mentioned effect betwixt.
The first, second, third and the 4th bracing or strutting arrangement forms simultaneously by the single sheet metal of processing. This structural reinforcing constant intensity reliability and increased the mechanical strength of head suspension.
According to a fifth aspect of the invention, magnetic head is supported on its side surface by the flat surface of bracing or strutting arrangement On, thereby this magnetic head can be fixed on the head suspension reposefully.
According to the of the present invention the 6th to eight aspect, be used for respect to vertical tape surface direction location The positioner of magnetic head is formed at tape guidance by the part metals thin plate to the bracing or strutting arrangement inside bend The projection of device on, and be used at the location dress with respect to vertical tape surface direction positioning head Put and be formed at the tape guidance device that consists of to the bracing or strutting arrangement inside bend by the part metals thin plate Groove. Therefore, magnetic head can locate easily and positioner can be easily curved by sheet metal Bent portions and forming. Like this, the production required time of head stack can shorten.
According to a ninth aspect of the invention, be used for locating with respect to the perpendicular magnetic recording medium surface direction The positioner of the magnetic head that is associated with this magnetic recording media is by the half die-cut tape guidance device that is formed at On the right inner surface of projection. Therefore, magnetic head can be located easily, and this positioner can easily pass through Half Punching Technology forms, thereby producing the required time of this head stack can shorten.
According to the tenth aspect of the invention, a pair of pole is formed at respectively relative two of each substrate hole Side. Thereby the head suspension that is processed by sheet metal can support reposefully magnetic head and turn to reposefully Moving head stack. Having the head suspension that first sub-device so is set is easy to be undertaken by punching press and bending Processing, thus sheet metal is can be easily processed and make head suspension.
According to an eleventh aspect of the invention, pole is formed at same plane with corresponding bracing or strutting arrangement. The head suspension of making like this has the intensity of enhancing, and has and increase when head stack turns to the stopping time repeatedly Big to applying the tolerance of the load on it.
According to a twelfth aspect of the invention, head suspension has opening, and it forms by punching press, Its shape is basically mutually conformal with the shape of cross section of combined head unit. Therefore, magnetic head can be very little The gap be fixed on the head suspension, thereby this magnetic head can be firm and be fixed on easily this head suspension On.
Brief Description Of Drawings:
Fig. 1 is the skeleton view of the first scheme head stack according to the present invention;
Fig. 2 (a), 2 (b), 2 (c) and 2 (d) be respectively head stack shown in Figure 1 forward sight, look down, a left side is looked and right view;
Fig. 3 is the skeleton view of the head suspension that comprises in the head stack shown in Figure 1;
Fig. 4 is the skeleton view of the head suspension that comprises in the alternative plan head stack according to the present invention;
Fig. 5 (a), 5 (b), 5 (c) and 5 (d) be respectively head suspension shown in Figure 4 forward sight, look down, a left side is looked and right view;
Fig. 6 is the skeleton view of conventional head assembly;
Fig. 7 is the front view of conventional head assembly.
Claims (12)
1. head stack comprises magnetic head and the head suspension that is used at magnetic recording/reproducing apparatus upper support magnetic head, and this head suspension is made by sheet metal.
2. according to the head stack of claim 1, wherein head suspension has first and second bracing or strutting arrangements, in order to being substantially perpendicular to the opposite flank upper support magnetic head of magnetic recording media traffic direction at it, and first and second bracing or strutting arrangements are made by the single metal thin plate.
3. according to the head stack of claim 1, wherein head suspension has third and fourth bracing or strutting arrangement, in order to being arranged essentially parallel to the opposite flank upper support magnetic head of magnetic recording media traffic direction at it, and third and fourth bracing or strutting arrangement is made by the single metal thin plate.
4. according to the head stack of claim 1, wherein head suspension has first and second bracing or strutting arrangements, in order to be substantially perpendicular to the opposite flank upper support magnetic head of magnetic recording media traffic direction at it, has third and fourth bracing or strutting arrangement, therefore be arranged essentially parallel to the opposite flank upper support magnetic head of magnetic recording media traffic direction at it, and first to fourth bracing or strutting arrangement is made by the single metal thin plate.
5. according to each head stack of claim 2 to 4, wherein bracing or strutting arrangement utilizes the flat surface of sheet metal at its side surface upper support magnetic head.
6. according to each head stack of claim 2 to 5, wherein at least the first bracing or strutting arrangement or second bracing or strutting arrangement have a pair of projection in the side of magnetic recording media, in order to as the tape guidance device.
7. according to the magnetic head magnetic spare of claim 6, wherein this has locating device to projection, locate the magnetic head that is associated with this magnetic recording media in order to direction, and this locating device is made of the part of sheet metal to the bending of bracing or strutting arrangement inside surface with respect to the perpendicular magnetic recording medium surface.
8. according to the head stack of claim 6, wherein in order to the locating device of the magnetic head that is associated with this magnetic recording media with respect to perpendicular magnetic recording medium surface direction location by sheet metal between a pair of projection that bracing or strutting arrangement inside surface sweep forms groove and constitute.
9. according to each head stack in the claim 2 to 5, wherein in order to the locating device of the magnetic head that is associated with this magnetic recording media with respect to perpendicular magnetic recording medium surface direction location by the die-cut inside surface that is formed at bracing or strutting arrangement partly.
10. according to each head stack in the claim 2 to 5, wherein third and fourth bracing or strutting arrangement has pedestal, be individually fixed on the magnetic recording/reproducing apparatus by this pedestal third and fourth bracing or strutting arrangement, this pedestal has hole separately, and forms a pair of pole respectively in the relative both sides of each hole.
11. according to the head stack of claim 10, wherein the 3rd bracing or strutting arrangement and corresponding pole are formed at same plane, and the 4th bracing or strutting arrangement and corresponding pole are formed at same plane.
12. according to each head stack in the claim 2 to 4, the combined head of magnetic head wherein for the magnetic head element of a plurality of different cross-sectional is combined, and utilize punching press on head suspension, to form an opening, be used to receive this combined head, the shape of this opening is mutually conformal with the cross sectional shape of this combined head.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21953895A JP3311909B2 (en) | 1995-08-04 | 1995-08-04 | Magnetic head device |
| JP219538/95 | 1995-08-04 | ||
| JP219538/1995 | 1995-08-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1152167A true CN1152167A (en) | 1997-06-18 |
| CN1069144C CN1069144C (en) | 2001-08-01 |
Family
ID=16737066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96109226A Expired - Fee Related CN1069144C (en) | 1995-08-04 | 1996-08-05 | Magnetic head assembly |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3311909B2 (en) |
| CN (1) | CN1069144C (en) |
| MY (1) | MY120105A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114730575A (en) * | 2020-03-31 | 2022-07-08 | 西部数据技术公司 | Tape embedded drive with HDD assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3941594A1 (en) * | 1989-12-16 | 1991-06-20 | Thomson Brandt Gmbh | DRIVE CHASSIS FOR A MAGNETIC TAPE DEVICE |
-
1995
- 1995-08-04 JP JP21953895A patent/JP3311909B2/en not_active Expired - Fee Related
-
1996
- 1996-07-31 MY MYPI9603125 patent/MY120105A/en unknown
- 1996-08-05 CN CN96109226A patent/CN1069144C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114730575A (en) * | 2020-03-31 | 2022-07-08 | 西部数据技术公司 | Tape embedded drive with HDD assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0950615A (en) | 1997-02-18 |
| MY120105A (en) | 2005-09-30 |
| CN1069144C (en) | 2001-08-01 |
| JP3311909B2 (en) | 2002-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010801 |