CN105813445A - Electromagnetic interference shielding gasket - Google Patents
Electromagnetic interference shielding gasket Download PDFInfo
- Publication number
- CN105813445A CN105813445A CN201410854191.8A CN201410854191A CN105813445A CN 105813445 A CN105813445 A CN 105813445A CN 201410854191 A CN201410854191 A CN 201410854191A CN 105813445 A CN105813445 A CN 105813445A
- Authority
- CN
- China
- Prior art keywords
- straight line
- line portion
- base portion
- curving
- sweep
- 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
Links
- 230000000630 rising effect Effects 0.000 claims abstract description 44
- 238000004080 punching Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 37
- 230000007423 decrease Effects 0.000 claims description 30
- 239000004821 Contact adhesive Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 230000002153 concerted effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- BNPSSFBOAGDEEL-UHFFFAOYSA-N albuterol sulfate Chemical compound OS(O)(=O)=O.CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1.CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1 BNPSSFBOAGDEEL-UHFFFAOYSA-N 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses an electromagnetic interference shielding gasket, and the gasket is formed by the sequential bending of a punching metal workblank. The unbent punching metal workblank for forming the gasket usually can be defined to be a roughly flat longitudinal segment with uncertain length. The longitudinal segment is provided with a string of uniform strips, and the strips are perpendicular to the longitudinal segment and laterally stretch out. The strips are formed through one punching strip or a material workblank. The strips can be folded, bent, or formed in other modes, thereby enabling each gasket to comprise a first bent part which extends from the gasket and to be bent in a concave manner to a first rising linear part, and enabling each gasket to be bent again at a first corner and to extend from the first corner to a second rising linear part. Moreover, each gasket is enabled to be bent at a second corner to a falling linear part, and the falling linear part is ended an externally extending part which externally extends around a second bent part. The gasket can be extruded in various modes, and maintains the EMI shielding performances.
Description
Technical field
The present invention relates to electromagnetic interference (EMI) screening arrangement, in particular it relates to electromagnetic interference shielding gasket.
Background technology
The statement of this part merely provides the background information relevant to present disclosure, might not constitute prior art.
EMI shielding is an importance in electronic installation manufacture and function.EMI can cause the performance of electronic components in electronic installation not good or lose efficacy.These screening arrangements can also provide ground connection for one or more elements.
EMI shield includes the bonding jumper made by a succession of warpage and/or the metal blank bending warpage indefinite length.Each such device all can be been described by by the cross-sectional profiles of its uniqueness after all warpages and pre-warpage stamped metal blank.
These EMI shield can suffer from various extruding in use or other applies deformation on the apparatus.This screening arrangement has to last for providing sufficient EMI to shield, in the appropriate case, it is necessary to provide adequately grounded when deforming because of extruding.
Summary of the invention
This part provides the overall summary of present disclosure, is not the comprehensive disclosure to its four corner or its whole features.
Disclose a kind of new EMI shielding gasket, this pad include base portion with roughly the same a succession of, wherein said base portion is smooth longitudinal section, wherein each described bar is bent to the first sweep of the first rising straight line portion with all including that extend and downward and spill from described base portion, each also extremely curves the second rising straight line portion extended at first place's of curving warpage from described first, and further at second place's of curving warpage to the straight line portion that declines, this decline straight line portion terminates at around the second outward extending abduction part of sweep.
Contact adhesive is bonded to described base portion；And/or described pad is made of metal；And/or described pad is made up of beallon or rustless steel.
By contact adhesive is bonded to the first flat surfaces, described pad is arranged on described first flat surfaces.
Second flat surfaces is on the direction of described pad and is perpendicular to described first flat surfaces and applies pressure, and described second flat surfaces contacts described pad at described second place of curving.
The described base portion of described pad has edge, described pad has the mensurable gap between the described edge of described base portion and described second sweep of described abduction part, and wherein said pressure causes that gap width when described gap is in non-pressured state relative to described pad broadens.
Described a succession of extends vertically out from described base portion at first, and wherein each described bar is bent to described first sweep of described first rising straight line portion with being respectively formed that extend and downward and spill from described base portion, and at described first place's of curving warpage to curving the described second rising straight line portion extended from described first, and curving place's warpage to described decline straight line portion described second further, this decline straight line portion terminates at around the described second outward extending described abduction part of sweep.
A kind of method that electromagnetic interference shield is provided, the method includes being arranged on the first flat surfaces via contact adhesive by including the base portion electromagnetic interference shielding gasket with roughly the same a succession of, described contact adhesive is arranged between described base portion and described first flat surfaces, described pad has indefinite length, wherein said base portion is smooth longitudinal section, and wherein, each described bar is bent to the first sweep of the first rising straight line portion with all including that extend and downward and spill from described base portion, each also extremely curves the second rising straight line portion extended at first place's of curving warpage from described first, and further at second place's of curving warpage to the straight line portion that declines, this decline straight line portion terminates at around the second outward extending abduction part of sweep.
According to said method, described pad is made of metal；And/or described pad is made up of beallon or rustless steel.
According to said method, the second flat surfaces is on the direction of described pad and is perpendicular to described first flat surfaces and applies pressure, and described second flat surfaces contacts described pad at described second place of curving.
According to said method, the described base portion of described pad has edge, described pad has the mensurable gap between the described edge of described base portion and described second sweep of described abduction part, and wherein said pressure causes that gap width when described gap is in non-pressured state relative to described pad broadens.
According to said method, described a succession of extends vertically out from described base portion at first, and wherein said method includes described first sweep being bent to while each described bar is respectively formed that extend and downward and spill described first rising straight line portion from described base portion, and at described first place's of curving warpage to curving the described second rising straight line portion extended from described first, and curve place's warpage extremely described decline straight line portion described second further, this decline straight line portion terminates at around the described second outward extending described abduction part of sweep.
A kind of method of the electromagnetic interference shielding gasket manufacturing indefinite length, the method includes forming a succession of uniform bar, longitudinal section that described a succession of uniform bar is perpendicular to base portion is laterally stretched out, each described bar is made to be bent to the first sweep of the first rising straight line portion with all including that extend and downward and spill from described base portion, each also extremely curves the second rising straight line portion extended at first place's of curving warpage from described first, and further at second place's of curving warpage to the straight line portion that declines, this decline straight line portion terminates at around the second outward extending abduction part of sweep.
Described method also includes material carrying out punching press to form described base portion and described a succession of uniform bar；And form described a succession of uniform bar to include the material after punching press is formed, each described bar is made to be bent to the first sweep of the first rising straight line portion with all including that extend and downward and spill from described base portion, and at first place's of curving warpage to curving the second rising straight line portion extended from described first, and further at second place's of curving warpage to the straight line portion that declines, this decline straight line portion terminates at around the second outward extending abduction part of sweep.
According to said method, material is carried out punching press and includes single strip of material is carried out punching press；And/or the material after punching press is formed and includes the material after punching press is carried out warpage or bending；And/or contact adhesive is bonded to described base portion.
According to said method, material is carried out punching press and includes metal blank is carried out punching press；Before forming, described a succession of uniform bar extends vertically out from described base portion at first；And the material after punching press is formed the metal blank included after punching press bend, each described bar is made to be bent to the first sweep of the first rising straight line portion with all including that extend and downward and spill from described base portion, and at first place's of curving warpage to curving the second rising straight line portion extended from described first, and further at second place's of curving warpage to the straight line portion that declines, this decline straight line portion terminates at around the second outward extending abduction part of sweep.
Other application can become apparent because of the description in this offer.Description in present invention and specific embodiment are only intended to illustrate and be not intended to limit the scope of the disclosure.
Accompanying drawing explanation
Accompanying drawing described here is merely to illustrate selected embodiment rather than all possible enforcement means are described, it is no intended to limit the scope of the disclosure.
Fig. 1 is the sectional view of an illustrative embodiment of shielding strip.
Fig. 2 is the plane graph of a section of an illustrative embodiment of stamping strip, and this stamping strip is suitable to be folded into shielding strip, all shielding strips as shown in Figure 1.
Fig. 3 is the upward view of a section of an illustrative embodiment of the shielding strip of Fig. 1.
Fig. 4 is the side view of the shielding strip section of Fig. 3.
The sectional view of one illustrative embodiment of the shielding strip that Fig. 5 is mounted on flat surfaces, this shielding strip is stacked on the same shielding strip remained static.
Fig. 6 is mounted on flat surfaces and the sectional view of an illustrative embodiment by the shielding strip of downward power extruding, and this shielding strip is stacked on the same shielding strip being in non-pressurized installment state and is stacked on the same shielding strip remained static.
Fig. 7 illustrates the illustrative embodiment of the shielding strip being arranged on the flat surfaces shown in Fig. 5, the other labelling that this figure has in the data and curves figure of accompanying drawing subsequently to mention.
Fig. 8 illustrates that each finger is applied to (with gram (g) for the unit) curve chart relative to the pressurized height (with millimeter (mm) for unit) of this shielding strip of making a concerted effort on an illustrative embodiment of shielding strip.
Fig. 9 illustrates the bearing width (mm) curve chart relative to the pressurized height (mm) of this shielding strip of an illustrative embodiment of shielding strip.
Figure 10 illustrates the end power (tipforce) of each finger of an illustrative embodiment of shielding strip and tail force (tailforce) (with gram (g) for the unit) curve chart relative to the pressurized height (mm) of this shielding strip.
Figure 11 illustrates the peak stress (with MPa (Mpa) for the unit) curve chart relative to the pressurized height (mm) of this shielding strip of an illustrative embodiment of shielding strip.
Figure 12 illustrate an illustrative embodiment of rustless steel shielding strip and the traditional beryllium copper shielding strip for comparing when extruding 50% shield effectiveness (with decibel (dB) for unit) relative to from 30 megahertzs to the frequency curve chart of 18 gigahertzs.
Figure 13 is the sectional view of an illustrative embodiment of shielding strip, wherein provides exemplary size (in units of millimeter) with angle (in units of degree) according only to illustrative embodiment so that purposes of discussion.
Figure 14 is the upward view of the shielding strip section of Figure 13.
Figure 15 is the side view of the shielding strip section of Figure 14.
Figure 16 is the plane graph of a section of stamping strip (smooth style), this stamping strip is suitable to the shielding strip being bent into shown in Figure 13, wherein provides exemplary size (in units of millimeter) according only to illustrative embodiment so that purposes of discussion.
Detailed description of the invention
The following description to various embodiments is substantially merely an illustrative, and is not intended to the restriction present invention, its application and application thereof.
Disclosing the EMI shielding gasket of a kind of new indefinite length, this pad is formed by a succession of warpage of stamped metal blank.The stamped metal blank not bent of formation pad generally can be defined to longitudinal section of the general planar of indefinite length, and this longitudinal direction section has a succession of uniform bar, and described bar is perpendicular to this longitudinal direction section and laterally highlights, and these are formed by punching press single strip of material.
After bending, warpage or other shaping, the profile of pad includes the base portion being made up of described smooth longitudinal section, these are bent to the first sweep of the first rising straight line portion with forming that extend and spill from described base portion, at first place of curving warpage again to curving the second rising straight line portion extended from described first, and at another warpage of second place of curving to the straight line portion that declines, this decline straight line portion terminates at around the second outward extending abduction part of sweep.In this way, the outline drawing of the pad remained static forms the periphery substantially closed, the gap between dividing except the edge of base portion and outreach part.
With reference to accompanying drawing, Fig. 1 is the sectional view of an illustrative embodiment of shielding strip 100.In this embodiment, the profile of pad includes the base portion 102 being made up of described smooth longitudinal section, these are bent to the first sweep 106 of the first rising straight line portion 108 with forming that extend and spill from described base portion, 110 places warpage again is curved to curving the second rising straight line portion 112 extended from described first first, and warpage is to decline straight line portion 116 again to curve 114 places second, and this decline straight line portion terminates at around the second outward extending abduction part 120 of sweep 118.In this way, the outline drawing of the pad remained static forms the periphery substantially closed, except the gap between edge 122 and the sweep 118 of abduction part of base portion.The angle 124 that limited by the first rising straight line portion 108 in pad and joggling part 104 (this joggling part marked the boundary between base portion 102 and the first sweep 106) less than 90 degree, from but spill.
Fig. 2 is the plane graph of a section 200 of an embodiment of stamping strip, and this stamping strip is suitable to be bent into shielding strip, all shielding strips 100 as shown in Figure 1.Application according to pad, this section 200 can be any convenient length and/or height (height that such as length is 200.258mm and/or the top-to-bottom from Fig. 2 is 15.565mm etc.).Blank includes longitudinal section 202 of general planar, this longitudinal direction section has a succession of uniform bar 204 extended perpendicularly out from this longitudinal direction section, these uniform bars are separated by a succession of gap or groove 206, and this gap or groove can be clean width (such as width is 0.457mm and/or pitch are 4.768mm etc.).These can have any applicable even length, and shown in accompanying drawing and ratio provided herein, ratio and size are not intended to claim is any limitation as.
Fig. 3 is the upward view of a section of an illustrative embodiment of the shielding strip 100 of Fig. 1.In this view it can be seen that base portion 102 and edge the 122, first sweep 106 thereof, also have the second sweep 118 and the abduction part 120 extended.Fig. 4 is the side view of the shielding strip section of Fig. 3.
Pad can be extruded in some applications, be maintained with EMI and shield attribute.It can be seen that in the profile variation of these deformation process Intermediate gaskets in Fig. 5 to Fig. 7, and the data relevant to these deformation can be seen in Fig. 8 to Figure 11.
Fig. 5 illustrates the sectional view of an illustrative embodiment of the shielding strip 100a being arranged on flat surfaces 126, and this shielding strip is stacked on the same shielding strip 100b remained static before extrusion.In this embodiment, shielding strip is adhered to flat surfaces by one section of contact adhesive (PSA) 128 (such as thickness is 0.127mm and PSA that width is 3.8mm etc.).Alternatively, known for a person skilled in the art any traditional mechanism that shielding strip is bonded to surface is all contained in this disclosure.Fig. 5 illustrates the displacement of the decline straight line portion 116 of the mounted pad 100a decline straight line portion relative to the uninstalled pad 100b remained static.Fig. 5 also show the second sweep 118 of mounted pad against flat surfaces 126.Installing or load after pad 100a, it is possible to pad will be applied to relative to flat surfaces and towards the power 130 that flat surfaces perpendicular is downward.
Fig. 6 illustrates the sectional view of an illustrative embodiment of the shielding strip 100c being arranged on flat surfaces 126, the wherein extruding of this shielding strip forced downwards 130, being stacked on the same shielding strip 100d of non-pressurized installment state, described same shielding strip reaches the state shown by 100c after extrusion.Fig. 6 also show the same shielding strip 100b remained static before extrusion.Pad is squeezed to 100c (Fig. 6) from 100a (Fig. 5) and causes inelastic deformation (" permanent deformation "), finally give the shape 100d that dotted line represents.
Fig. 6 is used as the comparison diagram of Fig. 5, and shielding strip is squeezed to 100c from 100a by wherein downward power.In this embodiment, shielding strip 100c is bonded to surface 126 also by contact adhesive 128.
In this embodiment, the decline straight line portion 116 of pressurized shielding strip 100c is displaced to it and is approximately perpendicular to the point of flat surfaces 126.With static shielding strip 100b and mounted by compared with press strip 100a, the gap between edge 122 and the sweep 118 of abduction part of base portion broadens because bearing pressure.By the first rising straight line portion 108 in pad and joggling part 104 (as before this in FIG seen by, this joggling part marked the boundary between base portion 102 and the first sweep 106) limit or be located at angle 124 therebetween and reduced to some extent on the number of degrees or reduced.
Fig. 7 illustrates the embodiment of the shielding strip 100 being arranged on the flat surfaces 126 shown in Fig. 5, and wherein this remains static.In the figure 7, the width 304 of pad is defined as the distance between end 300 and the farthest part 302 of the first sweep of outward extending abduction part.Also observe that the height 306 being perpendicular to width 304 of pad.When applying downward power 130, these space characteristics are all mentioned by the data and curves of Fig. 8 and Fig. 9 subsequently.
The data relevant with the change in size of shielding strip in Fig. 1 can be seen in Fig. 8 to Figure 11.Fig. 8 illustrates that each finger is applied to (with gram (g) for the unit) curve chart relative to the pressurized height (with millimeter (mm) for unit) of this shielding strip of making a concerted effort in the aforementioned embodiments of shielding strip.Such as, the shielding strip mentioned in Fig. 7 has the rest starting altitude of about 3mm.In the lump with reference to Fig. 5, Fig. 6 and Fig. 7, when downward power 130 is applied to pad 100, along with the downward power 130 applied rises to 210 grams from 0 gram, the height 306 of pad is down to 1mm from 3mm.
Fig. 9 illustrates the bearing width (in units of the millimeter) curve chart relative to the pressurized height (in units of millimeter) of this shielding strip of an illustrative embodiment of shielding strip.In the lump with reference to Fig. 5, Fig. 6 and Fig. 7, when downward power 130 is applied to pad 100, not only the height 306 of pad reduces, and it is observed that the width 304 of pad correspondingly increases.Relation between height 306 and width 304 shows in fig .9.
Figure 10 illustrates the end power of an illustrative embodiment of shielding strip and tail force (with gram (g) for the unit) curve chart relative to the pressurized height (mm) of this shielding strip.End power corresponding to being applied to the power of flat surfaces 126 (Fig. 5) when downward power 130 is applied to pad 100 by the outward extending abduction part 120 of pad, and pad 100 is arranged on this flat surfaces.Tail force corresponding to being applied to the power of flat surfaces 126 when downward power 130 is applied to pad 100 by the first sweep 106 of pad, and pad 100 is arranged on this flat surfaces.
Figure 11 illustrates the peak stress (with MPa (Mpa) for the unit) curve chart relative to the pressurized height (mm) of this shielding strip of an illustrative embodiment of shielding strip.
Power is a usual critically important attribute relative to pressurized height (Fig. 8), this is because the parts relevant to extruding pad need to be designed to bear this power, without excessive deflection occurring or producing excessive stress.Assembly needs the bearing width being designed to hold pad.Each power (Figure 10) is all critically important, this is because contact force is relevant to contact resistance and shield effectiveness.Peak stress (Figure 11) is important, this is because it can relevant to fatigue life (such as reaching the extrusion cycle of predetermined pressurized height) before breaking through how many times.Height when peak stress surmounts material yield strength is important, this is because occur that when stress overshoot yield strength plasticity (forever) deforms, and permanent deformation causes reducing and therefore also leading to the increase of contact resistance and weakening of shield effectiveness of contact force.
Shielding gasket can be reed type pad (fingerstocktypegasket).Pad can be made of metal, and it includes but not limited to beallon or rustless steel (such as 301 type rustless steel (s30100), fully hard tempering (CH04) the thickness with 0.5mm+/-0.04mm etc.).This pad can also include contact adhesive (PSA) or other known mechanisms or equipment or structure is bonded to surface for by pad, and this surface is such as the surface of printed circuit board (PCB) or other electronic unit.
In the fabrication process, shielding strip can be manufactured into essentially no sharp edges and/or burr, to facilitate installation personnel to hold.
Shielding strip described here may be mounted to that the surface for the various different application needing EMI to shield, and described application includes telecommunications industry.
Term pad and shielding strip can exchange use each other so that be absent from difference between term.
Therefore, disclose the EMI shielding gasket of a kind of indefinite length, this pad has base portion and a succession of roughly the same bar, wherein this base portion is smooth longitudinal section, and described a series of bar extends perpendicularly out from this base portion time initial, wherein each described bar is bent to the first sweep of the first rising straight line portion with being respectively formed that extend and downward and spill from this base portion, each also bends, to from described first, the second rising straight line portion extended at first place's of curving warpage, and also at second place's of curving warpage to the straight line portion that declines, this decline straight line portion terminates at around the second outward extending abduction part of sweep.
This pad can include the contact adhesive being bonded to base portion, and can be installed on described surface by contact adhesive is adhered to the first flat surfaces.Second flat surfaces can on pad direction and be perpendicular to first flat surfaces apply pressure, the second flat surfaces curves place's contact pins second.When the pressure is exerted, this power causes that gap is in gap width during non-pressured state relative to pad and broadens.
The method that present disclosure also includes providing electromagnetic interference shield.In an exemplary embodiment, a kind of method includes being installed on said surface by the EMI shielding gasket comprising base portion and a succession of roughly the same bar by the contact adhesive being arranged between base portion and flat surfaces, this pad has indefinite length, and wherein base portion is smooth longitudinal section.Described a series of bar extends perpendicularly out from base portion time initial.Each described bar is bent to the first sweep of the first rising straight line portion with being respectively formed that extend and downward and spill from this base portion, each also extremely curves the second rising straight line portion extended at first place's of curving warpage from described first, and also at second place's of curving warpage to the straight line portion that declines, this decline straight line portion terminates at around the second outward extending abduction part of sweep.In this method, the second flat surfaces is on pad direction and is perpendicular to the first flat surfaces applying pressure, and the second flat surfaces curves place's contact pins second.In this method, this pressure causes that gap is in gap width during non-pressured state relative to pad and broadens.
Present disclosure also includes the manufacture method of EMI shielding gasket.In an exemplary embodiment, a kind of method includes forming a succession of uniform bar, described bar is perpendicular to longitudinal section of base portion and laterally stretches out, each described bar is made to be bent to the first sweep of the first rising straight line portion with all including that extend and downward and spill from this base portion, each also first curves the second rising straight line portion extended at first place's of curving warpage to from this, and also at second place's of curving warpage to the straight line portion that declines, this decline straight line portion terminates at around the second outward extending abduction part of sweep.
The method also includes stamping material (such as single strip of material, metal blank, beallon, rustless steel etc.) to form base portion and a succession of uniform bar.Then, the method can include stamping material is shaped (such as warpage, bending etc.), make each be bent to the first rising straight line portion the first sweep with all including that extend and downward and spill from this base portion, and first curve the second rising straight line portion extended at first place's of curving warpage to from this, and also at second place's of curving warpage to the straight line portion that declines, this decline straight line portion terminates at around the second outward extending abduction part of sweep.Contact adhesive can be bonded to base portion.
Some terms are used in this article merely for reference purpose, are therefore not intended as limiting.Such as, such as " on ", D score, " top ", " lower section " etc term refer to the direction in the accompanying drawing of institute's reference.Such as "front", "rear", " rear portion ", " bottom " and the some parts of the term description element of " side " etc the orientation in consistent but arbitrary reference frame, this reference frame can be made apparent from by referring to the word that discussed element is described and relevant drawings.Such term can include the word, its derivative and the cognate that are particularly mentioned above.Similarly, term " first ", " second " and other numerical terms being similarly used for deriving structure do not imply that order or order, unless context explicitly indicates that.
When introducing element or feature and illustrative embodiment, article " ", " one ", " being somebody's turn to do " and " described " are intended to include one or more such element or feature.Term " includes " " comprising " and " having " and refers to " inclusive ", and means the element or the feature that there is other except those particularly pointed out.It is necessarily required to perform according to described or shown particular order it will be further understood that be not meant to be understood as the step of method described here, process and operation, unless this detailed sequence is specifically identified as execution sequence.It should also be understood that additional or alternative step can be adopted.
Represent when term " about " is for numerical value: result of calculation or measurement result allow somewhat to owe accurately (close to exact value in numerical value；It is similar to or reasonably near numerical value；Almost).For a certain reason, if the inaccuracy additionally provided by " about " is not understood in the art with this usual meaning, then " about " at least representing as used herein can by measuring or use the change that the conventional method of these parameters produces.Such as, term " substantially " " about " and " substantially " can be used, this means in manufacturing tolerance (such as: X ° of angle +/-5 °, X.X ° of angle +/-1 °, one decimal place 0.Xmm+/-0.4mm, 2 significant digits 0.XXmm+/-0.2mm, three 0.XXXmm+/-0.1mm after arithmetic point, etc.).
Purpose in order to illustrate with describe provide embodiment in front description.It is not intended limit or the restriction present invention.The discrete component of detailed description of the invention or the feature of detailed description of the invention are not constrained to this detailed description of the invention generally, but even if being not explicitly depicted or being depicted, are tradable in appropriate circumstances and can be used in selected embodiment.Also same embodiment can be changed in many ways.These changes have been not regarded as a departure from the present invention, and all these modification ought to include in the scope of the present invention and all equivalents thereof.
Claims (15)
1. an electromagnetic interference shielding gasket, described electromagnetic interference shielding gasket have indefinite length and include base portion with roughly the same a succession of,
Wherein said base portion is smooth longitudinal section,
Wherein each described bar is bent to the first sweep of the first rising straight line portion with all including that extend and downward and spill from described base portion, each also extremely curves the second rising straight line portion extended at first place's of curving warpage from described first, and further at second place's of curving warpage to the straight line portion that declines, this decline straight line portion terminates at around the second outward extending abduction part of sweep.
2. electromagnetic interference shielding gasket according to claim 1, it is characterised in that:
Contact adhesive is bonded to described base portion；And/or
Described pad is made of metal；And/or
Described pad is made up of beallon or rustless steel.
3. electromagnetic interference shielding gasket according to claim 1 and 2, it is characterised in that described pad is arranged on this first flat surfaces by contact adhesive is bonded to the first flat surfaces.
4. electromagnetic interference shielding gasket according to claim 3, it is characterised in that the second flat surfaces is on the direction of described pad and is perpendicular to described first flat surfaces and applies pressure, described second flat surfaces contacts described pad at described second place of curving.
5. electromagnetic interference shielding gasket according to claim 4, it is characterized in that, the described base portion of described pad has edge, described pad has the mensurable gap between the described edge of described base portion and described second sweep of described abduction part, and wherein said pressure causes that gap width when described gap is in non-pressured state relative to described pad broadens.
6. electromagnetic interference shielding gasket according to claim 1 and 2, it is characterized in that, described a succession of extends vertically out from described base portion at first, and wherein each described bar is bent to described first sweep of described first rising straight line portion with being respectively formed that extend and downward and spill from described base portion, and at described first place's of curving warpage to curving the described second rising straight line portion extended from described first, and curve place's warpage extremely described decline straight line portion described second further, this decline straight line portion terminates at around the described second outward extending described abduction part of sweep.
7. the method that electromagnetic interference shield is provided, the method includes being arranged on the first flat surfaces via contact adhesive by including the base portion electromagnetic interference shielding gasket with roughly the same a succession of, described contact adhesive is arranged between described base portion and described first flat surfaces, described pad has indefinite length, wherein said base portion is smooth longitudinal section, and wherein, each described bar is bent to the first sweep of the first rising straight line portion with all including that extend and downward and spill from described base portion, each also extremely curves the second rising straight line portion extended at first place's of curving warpage from described first, and further at second place's of curving warpage to the straight line portion that declines, this decline straight line portion terminates at around the second outward extending abduction part of sweep.
8. method according to claim 7, it is characterised in that:
Described pad is made of metal；And/or
Described pad is made up of beallon or rustless steel.
9. the method according to claim 7 or 8, it is characterised in that the second flat surfaces is on the direction of described pad and is perpendicular to described first flat surfaces and applies pressure, described second flat surfaces contacts described pad at described second place of curving.
10. method according to claim 9, it is characterized in that, the described base portion of described pad has edge, described pad has the mensurable gap between the described edge of described base portion and described second sweep of described abduction part, and wherein said pressure causes that gap width when described gap is in non-pressured state relative to described pad broadens.
11. the method according to claim 7 or 8, it is characterized in that, described a succession of extends vertically out from described base portion at first, and wherein said method includes described first sweep being bent to while each described bar is respectively formed that extend and downward and spill described first rising straight line portion from described base portion, and at described first place's of curving warpage to curving the described second rising straight line portion extended from described first, and curve place's warpage extremely described decline straight line portion described second further, this decline straight line portion terminates at around the described second outward extending described abduction part of sweep.
12. the method for the electromagnetic interference shielding gasket manufacturing indefinite length, the method includes forming a succession of uniform bar, longitudinal section that described a succession of uniform bar is perpendicular to base portion is laterally stretched out, each described bar is made to be bent to the first sweep of the first rising straight line portion with all including that extend and downward and spill from described base portion, each also extremely curves the second rising straight line portion extended at first place's of curving warpage from described first, and further at second place's of curving warpage to the straight line portion that declines, this decline straight line portion terminates at around the second outward extending abduction part of sweep.
13. method according to claim 12, it is characterised in that:
Described method also includes material carrying out punching press to form described base portion and described a succession of uniform bar；And
Form described a succession of uniform bar to include the material after punching press is formed, each described bar is made to be bent to described first sweep of described first rising straight line portion with all including that extend and downward and spill from described base portion, and at described first place's of curving warpage to curving the described second rising straight line portion extended from described first, and curving place's warpage to described decline straight line portion described second further, this decline straight line portion terminates at around the described second outward extending described abduction part of sweep.
14. method according to claim 13, it is characterised in that:
Material carries out punching press include single strip of material is carried out punching press；And/or
Material after punching press is formed and includes the material after punching press is carried out warpage or bending；And/or
Contact adhesive is bonded to described base portion.
15. the method according to claim 13 or 14, it is characterised in that:
Material carries out punching press include metal blank is carried out punching press；
Before forming, described a succession of uniform bar extends vertically out from described base portion at first；And
Material after punching press is formed the metal blank included after punching press bend, each described bar is made to be bent to described first sweep of described first rising straight line portion with all including that extend and downward and spill from described base portion, and at described first place's of curving warpage to curving the described second rising straight line portion extended from described first, and curving place's warpage to described decline straight line portion described second further, this decline straight line portion terminates at around the described second outward extending described abduction part of sweep.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462036537P | 2014-08-12 | 2014-08-12 | |
| US62/036,537 | 2014-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105813445A true CN105813445A (en) | 2016-07-27 |
Family
ID=53672959
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420870610.2U Active CN204466144U (en) | 2014-08-12 | 2014-12-31 | Electromagnetic interference shielding gasket |
| CN201410854191.8A Pending CN105813445A (en) | 2014-08-12 | 2014-12-31 | Electromagnetic interference shielding gasket |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420870610.2U Active CN204466144U (en) | 2014-08-12 | 2014-12-31 | Electromagnetic interference shielding gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN204466144U (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204466144U (en) * | 2014-08-12 | 2015-07-08 | 莱尔德技术股份有限公司 | Electromagnetic interference shielding gasket |
| KR101708787B1 (en) * | 2016-06-09 | 2017-02-21 | 박동배 | Manufacturing method of electric conductive gasket for surface mount devices |
| KR101762549B1 (en) | 2016-09-22 | 2017-07-27 | 박동배 | Manufacturing method of electric conductive gasket for surface mount devices |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6946598B1 (en) * | 2003-02-25 | 2005-09-20 | Storage Technology Corporation | Snap-in slot mount RFI/EMI clips |
| TWM276426U (en) * | 2005-03-11 | 2005-09-21 | Hong Yang Prec Technology Co L | Adhesive dome sheet |
| CN200976719Y (en) * | 2006-11-10 | 2007-11-14 | 中兴通讯股份有限公司 | Clamp mounting spring plate |
| US20070284142A1 (en) * | 2006-06-08 | 2007-12-13 | Dot Hill Systems Corporation | Emi/rfi finger clip gasket |
| CN201015093Y (en) * | 2006-12-06 | 2008-01-30 | 林海峰 | Electromagnetic shielding panel with cantilevered shielding reed |
| JP2009272237A (en) * | 2008-05-09 | 2009-11-19 | Kitagawa Ind Co Ltd | Surface-mounted contact |
| CN102017324A (en) * | 2008-04-01 | 2011-04-13 | Ls电线有限公司 | Elastic member and shielded connector assembly having the same |
| CN102593665A (en) * | 2012-02-23 | 2012-07-18 | 中航光电科技股份有限公司 | Grounding reed |
| TWD159581S (en) * | 2013-11-29 | 2014-04-01 | 兆峰家具有限公司 | Sofa Base |
| CN204466144U (en) * | 2014-08-12 | 2015-07-08 | 莱尔德技术股份有限公司 | Electromagnetic interference shielding gasket |
-
2014
- 2014-12-31 CN CN201420870610.2U patent/CN204466144U/en active Active
- 2014-12-31 CN CN201410854191.8A patent/CN105813445A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6946598B1 (en) * | 2003-02-25 | 2005-09-20 | Storage Technology Corporation | Snap-in slot mount RFI/EMI clips |
| TWM276426U (en) * | 2005-03-11 | 2005-09-21 | Hong Yang Prec Technology Co L | Adhesive dome sheet |
| US20070284142A1 (en) * | 2006-06-08 | 2007-12-13 | Dot Hill Systems Corporation | Emi/rfi finger clip gasket |
| CN200976719Y (en) * | 2006-11-10 | 2007-11-14 | 中兴通讯股份有限公司 | Clamp mounting spring plate |
| CN201015093Y (en) * | 2006-12-06 | 2008-01-30 | 林海峰 | Electromagnetic shielding panel with cantilevered shielding reed |
| CN102017324A (en) * | 2008-04-01 | 2011-04-13 | Ls电线有限公司 | Elastic member and shielded connector assembly having the same |
| JP2009272237A (en) * | 2008-05-09 | 2009-11-19 | Kitagawa Ind Co Ltd | Surface-mounted contact |
| CN102593665A (en) * | 2012-02-23 | 2012-07-18 | 中航光电科技股份有限公司 | Grounding reed |
| TWD159581S (en) * | 2013-11-29 | 2014-04-01 | 兆峰家具有限公司 | Sofa Base |
| CN204466144U (en) * | 2014-08-12 | 2015-07-08 | 莱尔德技术股份有限公司 | Electromagnetic interference shielding gasket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN204466144U (en) | 2015-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10559905B2 (en) | Flexible press fit pins for semiconductor packages and related methods | |
| KR100648162B1 (en) | Electromagnetic wave shield case and method of manufacturing the same | |
| KR200467284Y1 (en) | Pin-carrier for connector | |
| CN105813445A (en) | Electromagnetic interference shielding gasket | |
| RU2674364C1 (en) | Method for manufacturing stamped component, stamped component, stamp and stamping device | |
| DE102014115290A1 (en) | Metal heat transfer plate and heat pipe assembly structure as well as method | |
| US20130118717A1 (en) | Heat-dissipating device and method for fabricating the same | |
| JP2004167547A (en) | Method for shearing sheet | |
| DE102010063455B4 (en) | Semiconductor package, method for producing a semiconductor package and method for producing a substrate arrangement | |
| CN201365058Y (en) | Contact pin blank of terminal | |
| DE102015117223A1 (en) | Electronic arrangement | |
| WO2014045987A1 (en) | Planar coil and manufacturing method for planar coil | |
| CN104329345A (en) | Riveting structure | |
| DE102008040504A1 (en) | Electrical circuit arrangement | |
| CN203026688U (en) | Elastic strip | |
| CN204408842U (en) | The attachment rail of indefinite length | |
| JP2005103582A (en) | Method for producing extrusion-formed product | |
| JP5208839B2 (en) | Sensor with terminal and manufacturing method of sensor with terminal | |
| EP2642589A1 (en) | Film-like member and method for attaching same | |
| CN211027625U (en) | Case bottom plate bending die | |
| JP5872506B2 (en) | Method for manufacturing printed wiring board | |
| CN101471411B (en) | Method for producing LED stent | |
| CN2852390Y (en) | Fixing mechanism for heat sink | |
| JP7057727B2 (en) | Lead frames and semiconductor devices | |
| KR101065927B1 (en) | Adjusting die for connector pin correction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160727 |