CN101399072A - Non-cover solid hard disc - Google Patents

Non-cover solid hard disc Download PDF

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Publication number
CN101399072A
CN101399072A CNA2007101523872A CN200710152387A CN101399072A CN 101399072 A CN101399072 A CN 101399072A CN A2007101523872 A CNA2007101523872 A CN A2007101523872A CN 200710152387 A CN200710152387 A CN 200710152387A CN 101399072 A CN101399072 A CN 101399072A
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CN
China
Prior art keywords
uncovered
housing
hard disc
uncovered housing
solid hard
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
CNA2007101523872A
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Chinese (zh)
Inventor
邱修信
倪金南
马治刚
李祁进
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Super Talent Electronics Inc
Original Assignee
Super Talent Electronics Inc
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 by Super Talent Electronics Inc filed Critical Super Talent Electronics Inc
Priority to CNA2007101523872A priority Critical patent/CN101399072A/en
Publication of CN101399072A publication Critical patent/CN101399072A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an uncovered solid hard disc which comprises a print circuit board device and an uncovered casing body. In the invention, a cover is arranged above the uncovered casing body. Therefore, the purpose that the temperature of an electric constituent element on the print circuit board device is effectively lowered by air circulation can be achieved. The uncovered casing body in the invention is designed that the print circuit board device can be electrically connected with a chassis surface of a host system by the uncovered casing body. Before destroying the electric constituent element on the print circuit board device, redundant electrostatic charges are discharged to the chassis surface of the host of the system. Therefore, the static discharge impedance can be avoided. In addition, the uncovered solid hard disc provided by the invention is made from soft material and can be manufactured and assembled easily. Therefore, the uncovered solid hard disc has the advantages of light weight, low cost, etc.

Description

Non-cover solid hard disc
Technical field
The present invention is relevant a kind of solid hard disc, is meant a kind of solid hard disc of non-cover type especially.
Background technology
Solid hard disc (Solid State Drive, SSD) be that a kind of non-volatile data storage device or fast flash memory bank are to store permanent data, the tradition hard disc also is widely used in storing permanent data, yet traditional hard disc is owing to be that mechanical action makes the data transmission speed slower.Do not have spinning disk and mechanical hook-up in the solid hard disc, improved the problem of electromagnetic interference (EMI), antidetonation and fiduciary level widely.Yet the problem that solid hard disc is bigger is static discharge, and (in comparison, traditional hard disc has higher resistance because the material of record is a metal for static discharge for Electro Static Discharge, destruction ESD).
The solid hard disc size is more done littler, and it is more and more high to be compressed in the solid hard disc memory body density, and heat dissipation problem can exert an influence for the usefulness of solid hard disc, so can show on package or the housing to land and obtain preferable heat conduction.
U.S. Patent number US2007/0183209A1 discloses " with two housings and pin balance to reduce the thin hard disc of static discharge to the destruction of the PBA printed board arrangement that stacks ", it designs a kind of three ground lugs (triple-axis case-grounding tab), these three ground lugs are to be locked in a PBA printed board arrangement (Printed Circuit Board Assembly, PCBA) on, signable go out any along upper shell one main shaft and the static discharge current by the last axle of PBA printed board arrangement, secondary axes pass a metal calibration hole on the PBA printed board arrangement in order to ground connection, and an intermediate shaft then is the PBA printed board arrangement indentation, there between main shaft and secondary axes.(Serial Advanced TechnologyAttachment, when SATA) connector inserted a main frame, the static discharge current that three ground lugs are received can flow into from the ground connection of main frame when tandem hi-tech configuration.
Above-mentioned prior art no doubt can reduce the destruction of static discharge to PBA printed board arrangement, yet PBA printed board arrangement is to be contained in a upper shell and the lower house, and the encapsulation of this kind PBA printed board arrangement can cause atmosphere draught-free and poor thermal conduction, reduces the usefulness of hard disc.
Summary of the invention
Fundamental purpose of the present invention is providing a kind of non-cover solid hard disc, it is characterized in that a uncovered housing and can be applicable to desktop computer, notebook computer or other need the portable electronic apparatus of memory body storage facilities.
Another object of the present invention is providing a kind of non-cover solid hard disc, and wherein the uncovered housing does not have loam cake, and heat conduction will be reinforced the heat of quick dissipation PBA printed board arrangement.
A further object of the present invention is providing a kind of non-cover solid hard disc, and it is the internal printed circuit board device is electrically connected to host computer system by the uncovered housing a ground connection; Therefore, static can be led the ground connection of system host, eliminates before the electronic component generation injury of static to PBA printed board arrangement; Therefore the resistance of static discharge also is raised.
Another purpose of the present invention is providing a kind of non-cover solid hard disc, and it uses the material of light weight to make, and makes easily and simple assembling, therefore has light weight and benefit cheaply.
In order to achieve the above object, the invention provides a kind of non-cover solid hard disc, it is placed in the internal framework of host computer system, and form by a PBA printed board arrangement and uncovered housing, wherein PBA printed board arrangement comprises a printed circuit board (PCB) that comprises a plurality of coating ground plane screw holes on it, and in its uncovered housing is combined in PBA printed board arrangement.Because the solid hard disc of uncovered housing of the present invention does not have loam cake, air circulation can be strengthened fast from solid hard disc heat conduction.
In one embodiment of this invention, the uncovered housing is the metal uncovered housing that a slice is made by the die casting processing procedure, in this embodiment, PBA printed board arrangement has been installed in the uncovered housing, and the uncovered housing has been right after the internal framework in host computer system, and uncovered housing solid hard disc of the present invention has a circuit to eliminate the ground connection that unwanted static is led host computer system before static produces injury to the electronic component on the PBA printed board arrangement.The uncovered housing further makes up a plurality of screw holes in this embodiment; Screw hole is used to design other devices that are installed in same host computer system and provides a fitting printed circuit board device to guide to the alignment of uncovered housing tram.
In another embodiment of the present invention, the uncovered housing is the plastic cement uncovered housing of a slice injection molding manufacture procedure, in this embodiment, have at least a grounding leg vertical column to be used to make PBA printed board arrangement to be electrically connected to the ground connection of host computer system, absorb harmful static discharge, before the electronic component generation injury of static, eliminate the ground connection that unwanted static is led host computer system PBA printed board arrangement.
In an embodiment more of the present invention, its uncovered housing is that a knockdown uncovered housing comprises: a plastic cement frame and a sheet metal base plate, wherein the interlock of metal bottom surface is lived the plastic cement frame and is constituted a combined type and do not have the shell housing, this sheet metal base plate has a plurality of interlocks to collude border and vertical 90 degree with this metal bottom surface that finger is placed in the metal bottom surface, in the bottom surface of plastic cement frame, there is the female plug groove of respective amount to be placed on correspondence position and allows interlock collude finger can interlock to enter and then constitute a combined type uncovered housing.
In another embodiment of the present invention, the uncovered housing is a combined type uncovered housing, comprise a die-cast metal frame and a sheet metal base plate, the substantially similar combinations thereof formula of knockdown uncovered housing uncovered housing in the present embodiment is except the die-cast metal frame has replaced to fall the plastic cement frame.
In another embodiment of the present invention, its uncovered housing is a combined type uncovered housing, comprise: a plastic cement inner frame and an aluminium alloy extruded formed body and a plastic cement base plate, wherein PBA printed board arrangement can be close to and form one assembling on the plastic cement inner frame; Then this assembling can slip into and be fixed on the aluminium alloy extruded formed body, and the tail end of plastic cement inner frame can be bonded together with base plate.
Compared with prior art, the present invention has the following advantages:
According to the above, disclosed all non-cover solid hard discs of the present invention all do not have loam cake, therefore can strengthen air circulation, get rid of heat fast in solid hard disc.In addition, all non-cover solid hard discs of the present invention all are designed to allow PBA printed board arrangement be electrically connected to host computer system by the uncovered housing, therefore, unwanted static can be moved to the ground connection of host computer system before static hurts electronic component on the PBA printed board arrangement.What is more, all non-cover solid hard discs all adopt the light weight material, make and simple assembling easily among the present invention, and therefore, all non-cover solid hard discs all have light weight and advantage cheaply among the present invention.
Description of drawings
Fig. 1 is the stereographic map of non-cover solid hard disc of the present invention;
Fig. 2 is the exploded view of first embodiment of non-cover solid hard disc of the present invention;
Fig. 3 A is the exploded view of second embodiment of non-cover solid hard disc of the present invention;
Fig. 3 B is the part enlarged drawing of 3A figure;
Fig. 4 is the exploded view of the 3rd embodiment of non-cover solid hard disc of the present invention;
Fig. 5 is the exploded view of the 4th embodiment of non-cover solid hard disc of the present invention;
Fig. 6 is the exploded view of the 5th embodiment of non-cover solid hard disc of the present invention.
[figure number explanation]
1 solid hard disc
10 uncovered housings
201 uncovered housings
202 PBA printed board arrangement
203 pin connectors (pin connector)
204 screw poles (screw pole)
205 openings
206 first screw holes
207 second screw holes
208 chambers (cavity)
209 plate screw holes
210 printed circuit board (PCB)s
211 double faced adhesive tapes (double side tape)
212 screws
213 labels (label)
301 uncovered housings
302 PBA printed board arrangement
303 plate screw holes
305 ground connection pin right cylinders (ground pin standing post)
306 first housing bores
307 second housing bores
308 the 3rd housing bores
309 cylinders
310 first cylindrical holes
311 second cylindrical holes
312 copper rings
401 plastic cement frames
402 sheet metal base plates
403 plate screw holes
404 PBA printed board arrangement
405 ground connection pin right cylinders
Finger (snap hook finger) is colluded in 406 interlocks
407 female plug grooves
501 metal stamping and pressing frameworks
502 sheet metal base plates
503 plate screw holes
504 PBA printed board arrangement
505 ground connection pin right cylinders
Finger (snap hook finger) is colluded in 506 interlocks
507 female plug grooves
60 solid hard discs
601 aluminium alloy extruded formed bodies (aluminum-extrusion piece)
602 connectors
603 holes
604 PBA printed board arrangement
605 second plastic cement frame holes
606 plastic cement tail plugs (plastic end plug)
607 slots (window slot)
608 first plastic cement frame holes (first plastic-frame hole)
609 metal film perforations (metal-piece hole)
610 screws
611 plastic cement inside casings
Embodiment
Please refer to Fig. 1, the present invention proposes one and is contained in host computer system and is the solid hard disc 1 of the uncovered housing 10 of uncovered housing 10 design internal framework.The present invention is applied in desktop computer, notebook computer or other need the portable electronic apparatus of memory body storage facilities.
Fig. 2 is the exploded view of first embodiment of the invention.The present invention proposes a solid hard disc 1, and it comprises: a uncovered housing 201, a PBA printed board arrangement 202 and a pin connector 203.
Uncovered housing 201 is metallic uncovered housings that a slice is used the manufacturing of die casting processing procedure, the metal material of uncovered housing 201 comprises and is fit to the metal that the die casting processing procedure is made, and because its characteristic in light weight and low relatively fusing point when carrying out die casting of aluminium and elect it metal material of use as.The surface of uncovered housing 201 can be coated and be black or other colors, and uncovered housing 201 can be further at thin metal of its electroplating surface one deck such as chromium (Cr).
Uncovered housing 201 has four screw poles 204, an opening 205, four first screw holes 206 and four second screw holes 207.204 designs of screw pole are used as the device that is fixed on same main frame, and the alignment guide that is installed to uncovered housing 201 chambers 208 exact positions as PBA printed board arrangement 202.Opening 205 is arranged at the back side of uncovered housing 201, and its size just in time allows to embed pin connector 203, and this outconnector interface such as IDE, PCIE etc. also can be mounted on this opening 205.First screw hole 206 is distributed on 201 4 interior angles of uncovered housing; Screw is locked into, and printed circuit board (PCB) screw hole 209 and first screw hole 206 come driving fit to compress PBA printed board arrangement 202 to uncovered housing 201.Four second screw holes 207 are arranged at the both sides of uncovered housing 201 to length direction; The screw hole that screw is locked second screw hole 207 and internal framework fix uncovered housing 201 on the internal framework of main frame and with uncovered housing 201 by main frame ground connection.
PBA printed board arrangement 202 also comprises: a printed circuit board (PCB) 210, plural number connector pin, plural number fast flash memory bank wafer, plural number controller wafer, one tandem hi-tech configuration-integrated circuit bridge (SATA-to-IDE bridge), the plural number voltage stabilizer, the complex number voltage detector, plural number oscillator and plural passive element, the above electronic component of carrying uses surface mounting technology (Surface MountTechnology, SMT) program is fixed on the printed circuit board (PCB) 210, and a high density solid hard disc can utilize the two sides of printed circuit board (PCB) 210 that more memory bodys are covered in the same hard disc.
When using uncovered housing of the present invention to assemble solid hard disc, a slice double faced adhesive tape 211 is attached to chamber 208 surfaces of uncovered housing 201, be used for adhesive coating and insulation course as PBA printed board arrangement 202, this external insulation layer can use other materials to make the electronic component of isolating metal uncovered housing and PBA printed board arrangement 202, as plastic cement, synthetic rubber or paper wood matter.Moreover, PBA printed board arrangement 202 is dropped in the chamber 208 of uncovered housing 201, four printed circuit board (PCB) screw holes 209 align with first screw hole 206 of uncovered housing 201, and the bottom surface of PBA printed board arrangement 202 can closely bond on chamber 208 by double faced adhesive tape 211.Four screws 212 can be locked against on the screw hole 209 of printed circuit board (PCB) and first screw hole 206 and fasten PBA printed board arrangement 202 to uncovered housing 201; Plastic cement, synthetic rubber or metal washer can make and be used for avoiding screw 212 to get loose or drop.Have the label 213 of the information of house mark, memory body size, bar code and other customer requirements to be attached to the bottom surface of uncovered housing 201 on one, the assembling of a solid hard disc is so far finished.
In addition, the column of the different height of inner face is outstanding can be used for replacing the bottom surface that double faced adhesive tape 211 is separated PBA printed board arrangement 202 and uncovered housing 201, and supports and raise PBA printed board arrangement 202.
Moreover other solid hard discs that screw pole 204 also allows the memory body hard disc to stack are repeatedly put.
Printed circuit board (PCB) 210 is in order to be designed to a plane round four printed circuit board (PCB) screw holes 209, be locked on first screw hole 206 of printed circuit board (PCB) screw hole 209 and metal uncovered housing 201 at screw 212 after, metal uncovered housing 201 can conduct electricity with PBA printed board arrangement 202, therefore non-cover solid hard disc of the present invention is provided with a circuit, eliminates the ground connection that unwanted static is led host computer system before static produces injury to the electronic component on the PBA printed board arrangement.
Because non-cover solid hard disc of the present invention does not have loam cake, air circulation can be strengthened fast from solid hard disc heat conduction.
The solid hard disc that has a metal uncovered housing among the present invention can be applied in desktop computer, notebook computer or other need the portable electronic apparatus of memory body storage facilities.
Fig. 3 A is depicted as the exploded view of second embodiment among the present invention.In a second embodiment, uncovered housing 301 uses plastic cement material but not metal is made, plastic cement uncovered housing 301 is that a slice plastic cement uncovered housing is made by ejection formation (injection-molding) program, this technology is the die-casting technique of metal uncovered housing 201 among similar first embodiment, the advantage of plastic cement uncovered housing is that light weight is with low-cost, yet plastic cement material is not heat and electric good conductor, therefore plastic cement uncovered housing 301 is a no loam cake, can reduce heat conduction problem to minimum by preferable air heat conduction.
For lowering the injury of static discharge, design two ground connection pin right cylinders 305 and be used for absorbing harmful static discharge by plate screw hole 303 conductions that printed circuit board (PCB) covers ground plane, before the electronic component generation injury of static, eliminate the ground connection that unwanted static is led host computer system solid hard disc with PBA printed board arrangement 302.
Please refer to Fig. 3 A and Fig. 3 B, in the present embodiment, plastic cement uncovered housing 301 has plural first housing bore 306, plural number second housing bore 307 and plural number the 3rd housing bore 308, ground connection pin right cylinder 305 is with copper or other metal materials are made and can be installed on the plastic cement uncovered housing 301 before PBA printed board arrangement 302 is installed to plastic cement uncovered housing 301, ground connection pin right cylinder has a cylinder 309, first cylindrical hole 310, second cylindrical hole 311 and a copper ring 312, cylinder 309 can be inserted in the 3rd housing bore 308 of plastic cement uncovered housing 301 as mechanism supports, and locks the internal framework of a screw to main frame, second housing bore 307 and second cylindrical hole 311 are locked ground connection pin right cylinder 305 and are electrically connected to the ground connection of host computer system to plastic cement uncovered housing 301 with ground connection pin right cylinder 305.One screw is locked to first housing bore 306 that printed circuit board (PCB) is grounded plate screw hole 303, copper ring 312 and plastic cement uncovered housing 301 that bread covers, make PBA printed board arrangement 302 be electrically connected to the ground connection of host computer system by ground connection pin right cylinder 305, first cylindrical hole 310 can stack thereon other device in the host computer system when needed by screw.
Although the plastic cement material poor thermal conductivity owing to use the non-cover solid hard disc of plastic cement uncovered housing 301 not have loam cake among the present invention, is therefore strengthened air heat conduction, the temperature of the solid hard disc that can dissipate fast.
No matter the conductive characteristic that plastic cement material is relatively poor uses the non-cover solid hard disc of plastic cement uncovered housing 301 to have two ground connection pin right cylinders 305 and absorbs the ground plane of unnecessary static to host computer system among the present invention.
Moreover the present invention utilizes the non-cover solid hard disc of plastic cement uncovered housing 301 designs to have advantage in light weight and that cost is low.
Same, use the solid hard disc of plastic cement uncovered housing can be applied in desktop computer, notebook computer among the present invention or other need the portable electronic apparatus of memory body storage facilities.
Fig. 4 is the exploded view of the 3rd embodiment among the present invention.In the 3rd embodiment, the uncovered housing comprises: a plastic cement frame 401 and a sheet metal base plate 402.
This sheet metal base plate 402 has a plurality of interlocks to collude edges and vertical 90 degree with this metal bottom surface that finger 406 is placed in metal bottom surface 402, in the bottom surface of plastic cement frame 401, there is the female plug groove 407 of respective amount to be placed on correspondence position and allows interlock collude to refer to that 406 can interlock enter and then constitute a knockdown uncovered housing to place PBA printed board arrangement 404.
The advantage of plastic cement frame is in light weight and low-cost, yet plastic cement material is a heat and electric poor conductor, does not therefore cover on the solid hard disc of present embodiment, utilizes preferable air transmitted that the problem of heat conduction is reduced to minimum.
In the 3rd embodiment, there are two ground connection pin right cylinders 405 to absorb harmful static discharge, before the electronic component generation injury of static, eliminate the ground connection that unwanted static is led host computer system solid hard disc by screw hole 403 electric connections that printed circuit board (PCB) coats ground plane.
Same, the solid hard disc of the box-like uncovered housing of set of applications can be applied in desktop computer, notebook computer or other need the portable electronic apparatus of memory body storage facilities among the present invention.
Fig. 5 is the exploded view of the 4th embodiment among the present invention.The 4th embodiment is substantially similar to the 3rd embodiment, except the plastic cement frame 401 that replaces among the 3rd embodiment with die-cast metal frame 501, in the 4th embodiment, the uncovered housing also comprises a sheet metal base plate 502, and this metal bottom surface has also comprised several interlocks and colluded and refer to that 506 constitute uncovered housing in order to place PBA printed board arrangement 504 with female plug groove 507 collocation of die-cast metal frame 501.
Fig. 6 is the exploded view of the 5th embodiment among the present invention.In the 5th embodiment, the uncovered housing comprises: an aluminium alloy extruded formed body 601, a plastic cement tail plug 606 and a plastic cement inside casing 611.
When assembling, four screws 610 are screwed into printed circuit board (PCB) by plural hole 603 to PBA printed board arrangement 604 and the first plastic cement frame hole 608 screws, it is pressed on plastic cement inside casing 611, inferior assembling then slips into aluminium alloy extruded formed body 601, and an end of plastic cement inside casing 611 can join plastic cement tail plug 606 to, inferior assembling and aluminium alloy extruded formed body 601 fix to the metal film perforation 609 and the second plastic cement frame hole 605 by locking four screws, connector 602 is close to the slot 607 of plastic cement inside casing 611, promptly finishes the assembling of solid hard disc 60.
In sum, disclosed all non-cover solid hard discs of the present invention all do not have loam cake, therefore can strengthen air circulation, get rid of heat fast in solid hard disc.In addition, all non-cover solid hard discs of the present invention all are designed to allow PBA printed board arrangement be electrically connected to host computer system by the uncovered housing, therefore, unwanted static can be moved to the ground connection of host computer system before static hurts electronic component on the PBA printed board arrangement.What is more, all non-cover solid hard discs all adopt the light weight material, make and simple assembling easily among the present invention, and therefore, all non-cover solid hard discs all have light weight and advantage cheaply among the present invention.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.

Claims (10)

1, a kind of non-cover solid hard disc is characterized in that, is placed in the internal framework of a host computer system, comprising:
One PBA printed board arrangement, it also comprises a circuit board, utilizes ground plane to coat plural plate screw hole, at least one wafer, plural passive element and at least one pin connector; And
One uncovered housing, it is in order to ccontaining this PBA printed board arrangement.
2, non-cover solid hard disc as claimed in claim 1 is characterized in that, this uncovered housing is a unitary piece of metal uncovered housing.
3, non-cover solid hard disc as claimed in claim 2, it is characterized in that, the plural madial wall of this uncovered housing is to be protruding with the accurate post in plural number position, and separating this PBA printed board arrangement and this uncovered housing, this accurate post also supports this PBA printed board arrangement and is fixed on the height and position.
4, non-cover solid hard disc as claimed in claim 2 is characterized in that, this uncovered housing also comprises:
Plural number screw pole, it can allow another hard disc in this host computer system insert, and guides as the adjustment that this PBA printed board arrangement accurately is installed on this uncovered housing;
One opening, it is to be arranged at one of this uncovered housing tail end wall, and this pin connector can be inserted from this opening exactly;
The plural number first screw hole, it is four interior angles that are arranged at this uncovered housing, plural screw screws in this plate screw hole and this first screw hole of this printed circuit board (PCB), with this PBA printed board arrangement bolt tightly on this uncovered housing; And
Plural number second screw hole, it is the both sides that are arranged on this uncovered shell length direction, the plural number screw screws in the plural screw hole of this internal framework in this second screw hole and this host computer system, this uncovered housing is fixed on this internal framework in this host computer system.
5, non-cover solid hard disc as claimed in claim 1 is characterized in that, this uncovered housing is a plastic cement uncovered housing.
6, non-cover solid hard disc as claimed in claim 5, it is characterized in that, the ground connection pin right cylinder that comprises at least one metal material, it was attached on this uncovered housing before PBA printed board arrangement is packed this uncovered housing into earlier, wherein this ground connection pin right cylinder utilizes at least one this plate screw hole to electrically connect this internal framework in this PBA printed board arrangement and this host computer system, this plate screw hole is that the ground plane by this printed circuit board (PCB) is coated, to attack at electrostatic charge before the plural electronic component on this PBA printed board arrangement, electrostatic charge is discharged to a chassis face of this host computer system.
7, non-cover solid hard disc as claimed in claim 6 is characterized in that, this uncovered housing also comprises: plural first housing bore, plural second housing bore and plural number the 3rd housing bore; This ground connection pin right cylinder also comprises:
One pole, it inserts the 3rd housing bore so that mechanical support to be provided;
One first cylindrical hole does in order to stay that another hard disc stacks on this first cylindrical hole by plural screw in this host computer system;
One second cylindrical hole, wherein a screw is to screw in a screw hole, this second housing bore and this second cylindrical hole of this internal framework in this host computer system, with with this ground connection pin right cylinder bolt tightly in this uncovered housing, and this ground connection pin right cylinder is electrically connected to a chassis face of this host computer system; And
One becket, wherein a screw is to screw in this plate screw hole, this becket and this first housing bore that this ground plane coated, this PBA printed board arrangement is electrically connected to this chassis face of this host computer system by this ground connection pin right cylinder.
8, non-cover solid hard disc as claimed in claim 1 is characterized in that, this uncovered housing is a combined type uncovered housing, comprising:
An one plastic cement frame and a sheet metal base plate, this sheet metal base plate are and this plastic cement frame interlock, form this combined type uncovered housing.
9, non-cover solid hard disc as claimed in claim 1 is characterized in that, this uncovered housing is a combined type uncovered housing, comprising:
An one metal stamping and pressing framework and a sheet metal base plate, this sheet metal base plate are and this metal stamping and pressing framework interlock, form this combined type uncovered housing.
10, non-cover solid hard disc as claimed in claim 1, it is characterized in that, this uncovered housing is a combined type uncovered housing, comprise: a plastic cement inside casing, an aluminium alloy extruded formed body and a plastic cement tail plug, and screw in this plate screw hole that ground plane coated of this printed circuit board (PCB) and plural number first hole of this plastic cement inside casing by plural screw, this PBA printed board arrangement can be fixed in formation one son assembling on this plastic cement inside casing; This son assembling slips in this aluminium alloy extruded formed body fixing, and this plastic cement tail plug is the tail end that inserts this plastic cement inside casing.
CNA2007101523872A 2007-09-29 2007-09-29 Non-cover solid hard disc Pending CN101399072A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007101523872A CN101399072A (en) 2007-09-29 2007-09-29 Non-cover solid hard disc

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Application Number Priority Date Filing Date Title
CNA2007101523872A CN101399072A (en) 2007-09-29 2007-09-29 Non-cover solid hard disc

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CN101399072A true CN101399072A (en) 2009-04-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106304748A (en) * 2015-06-26 2017-01-04 太阳汽车有限公司 The framework of mobile communication terminal and manufacture method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106304748A (en) * 2015-06-26 2017-01-04 太阳汽车有限公司 The framework of mobile communication terminal and manufacture method thereof

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Open date: 20090401