CN208314033U - Insulating part and its probe base applied to probe base - Google Patents

Abstract

The utility model provides a kind of insulating part and its probe base applied to probe base, the insulating part has a probe installing hole, it is characterized in that insulating part is sheet-like structure, and there is plural through-hole, probe installing hole is located at the center of insulating part, probe installing hole and through-hole are through to second surface by the first surface of insulating part respectively, and it is coplanar that first surface and second surface, which are not provided with probe installing hole and the region of through-hole,.And probe base has a base body and an at least combined type component, base body has an at least detection zone, and combined type component is set in detection zone, and has an at least pin hole so that a probe is arranged, and insulating part is then provided with being set in pin hole.Signal reflex is lost caused by can so reducing when application because of impedance mismatch, promotes the efficiency of probe in detecting.

Description

Insulating part and its probe base applied to probe base

Technical field

The utility model is related to electrical detection device field, and especially one kind can effectively reduce dielectric coefficient to promote inspection The wide insulating part and its probe base applied to probe base of frequency measurement.

Background technique

Now, each electronic product must detect the electrical property state of various accurate miniature electronic components in it before factory, this For an important ring for electronic product qualification rate test.And all kinds of electrical property states above-mentioned are for the benefit of detected, probe is then current phase When common test application product.

For the state that can quickly detect the contact that is respectively electrically connected on electronic component, be derivatized with the detection seat that multiple probes are set or The mechanisms such as connector.So that probe end thereof contacts electrical connection point is formed conducting when detection, the other end then with the testing agencies such as circuit board Be electrically connected, with learnt via testing agency the contact that is respectively electrically connected signal transmitting etc. electrical property states.

At present to detect the detection seat or connector of the contact that is electrically connected, for can allow probe with detect pedestal or connector pedestal reaches Phenomena such as preventing probe short circuit and interference is that need to completely cut off the two by insulating pieces.So, it is detected when applied to high bandwidth signals When, the efficiency of preferably masking transmission noise must then be had by detecting seat or connector, but with current detection seat and joint structure, Wu Fayu Preferable balanced design being obtained between insulation and impedance matching, therefore under the test approaches such as such as high bandwidth signals, can not still have High accuracy.

In view of this, the efficiency of electrical detection device now how is promoted, actually the problem of current urgent need to resolve.This is practical Novel people assembles the experience of many years relevant industries, lies in this and proposes a kind of insulating part applied to probe base and its probe base Seat.

Utility model content

One purpose of the utility model, it is desirable to provide a kind of insulating part and its probe base applied to probe base, Can effectively reduce in detection process because caused by impedance mismatch signal reflex lose, the accurate of electrical detection is substantially improved Degree.

In order to achieve the above object, there is probe installation the utility model proposes a kind of insulating part applied to probe base Hole is provided with wearing probe, it is characterised in that: the insulating part is sheet-like structure, and has plural through-hole, a first surface and one Second surface, the probe installing hole are located at the center of the insulating part, and the first surface and the second surface are oppositely arranged, and the spy Needle mounting hole and the plural number through-hole are through to the second surface, and the first surface and the second surface by the first surface respectively It is coplanar for being not provided with the region of the probe installing hole and the plural number through-hole.In this way, can be in probe electrical property transmission process, effectively The dielectric coefficient in the corresponding insulating part space is reduced, and signal reflex is lost caused by can reducing because of impedance mismatch, Efficiency is more preferably detected to have.

Further, it is showed to make the insulating part have both rigid and preferable low-k, in another embodiment It is A, the gross area of the plural number through-hole and between 0.6A that system, which discloses the first surface not having the region area of the probe installing hole, ~0.8A.

In addition, the plural number through-hole is to be arranged around the probe installing hole, so as to correspond to this absolutely in another embodiment Air capacity in edge part space is evenly distributed, and effectively reduces the dielectric coefficient in entire area of space.

In an embodiment, then disclose the width of the respectively through-hole by the first surface and the second surface towards it is intermediate decrescence, To have effects that preferable dielectric coefficient reduces.

The utility model also discloses a kind of probe base, is provided with detecting semiconductor element, include: a base body has An at least detection zone is provided with placing semiconductor element；An at least combined type component is set to the detection zone, and has an at least needle Hole is provided with that a probe is arranged；And an at least insulating part, it is provided with being set in the pin hole, which is sheet-like structure, and is had There are a probe installing hole, plural through-hole, a first surface and a second surface, the probe installing hole to be located in the insulating part The heart, the first surface and the second surface are oppositely arranged, and the probe installing hole and the plural number through-hole are respectively by the first surface It is through to the second surface, and the first surface and the second surface are not provided with the region of the probe installing hole and the plural number through-hole It is coplanar.

Wherein, it includes an at least metallic mold and at least one nonmetallic mould that the combined type component is disclosed in another embodiment Part, and the metallic mold and the nonmetallic module are in partly overlapping spelling group state.It so can effectively reduce the probe base Manufacturing cost, while again can be in response to the demand of high-frequency test.

It similarly, is A, the gross area of the plural number through-hole when the first surface does not have the region area of the probe installing hole With between 0.6A~0.8A so that the insulating part have both rigidity with reduce dielectric coefficient efficiency.

In addition, the plural number through-hole is arranged around the probe installing hole in another embodiment, so that the corresponding insulation Air capacity in part space is evenly distributed, and effectively reduces the dielectric coefficient in entire area of space.

Wherein, for the benefit of fast Speed Pinyin group forms the combined type component, which has one first assembled portion, the non-gold Belonging to module has one second assembled portion, and first assembled portion and second assembled portion are concave-convex counter structure each other, in spelling group When so that first assembled portion and second assembled portion is mutually assembled.

In addition, the combined type component supplies the surface connect with semiconductor element group to have a direction portion, it is quick correctly with benefit Place the semiconductor element to be detected.

In conclusion the utility model should be to utilize structure applied to the insulating part and its probe base of probe base Design reaches the effect of reducing dielectric coefficient so that the insulating part region because caused by impedance mismatch signal reflex lose To ease up, so that detection procedure can be gone on smoothly.And born repeat that in this, reduced dielectric coefficient is designed by structure, is meant Dielectric coefficient in the corresponding insulating part space, and the insulating part can be made no matter to be made with which kind of material, it is reduced dielectric Coefficient, signal reflex is lost caused by reducing because of impedance mismatch.And low dielectric constant materials also can be selected in the insulating part, change Which kind of no matter Yan Zhi, the insulating part of the utility model are met the material of detection demand, all reached using via design using The effect of reducing the dielectric coefficient in the insulating part regional space.And use the probe base of the insulating part, then it can substantially mention It rises it and detects efficiency, detection accuracy is promoted, to be more suitable for such as high-frequency signal detection field.

Detailed description of the invention

Fig. 1 is the stereoscopic schematic diagram of the utility model preferred embodiment insulating part.

Fig. 2A is the diagrammatic cross-section of the utility model preferred embodiment insulating part.

Fig. 2 B is the diagrammatic cross-section of another state sample implementation of the utility model preferred embodiment insulating part.

Fig. 3 is the stereoscopic schematic diagram of the utility model preferred embodiment insulation one state sample implementation of piece.

Fig. 4 is the stereogram exploded view of the utility model preferred embodiment probe base.

Fig. 5 is the assembling schematic diagram of the utility model preferred embodiment probe base.

Description of symbols: 1- insulating part；10- probe installing hole；11- through-hole；12- first surface；13- second surface； 2- probe base；20- base body；201- detection zone；21- combined type component；The first pin hole of 211-；212- metallic mold； The first assembled portion of 2121-；The nonmetallic module of 213-；The second assembled portion of 2131-；214- direction portion；3- probe.

Specific embodiment

To enable your juror to have a clear understanding of the content of the utility model, schema of sincerely arranging in pairs or groups in the following instructions, Jing Qingcan It reads.

Fig. 1, Fig. 2A, Fig. 2 B and Fig. 3 are please referred to, is the three-dimensional signal of the insulating part of the utility model preferred embodiment Figure, the diagrammatic cross-section of insulating part, the diagrammatic cross-section of another state sample implementation of insulating part and lead resistance but one state sample implementation of piece Stereoscopic schematic diagram.The utility model discloses a kind of insulating part 1 applied to probe base, has a probe installing hole 10, is provided with Wear probe.The insulating part 1 is characterized as sheet-like structure, and has plural through-hole 11, a first surface 12 and one Second surface 13, the probe installing hole 10 are located at the center of the insulating part 1, and the first surface 12 and the second surface 13 are set relatively Set, and the probe installing hole 10 and the plural number through-hole 11 are through to the second surface 13 by the first surface 12 respectively, and this It is coplanar that one surface 12 and the second surface 13, which are not provided with the probe installing hole 10 and the region of the plural number through-hole 11, so as to visit After needle is arranged in the probe installing hole 10, will not deflection and influence to detect.Specifically, 1 system of insulating part is provided with being arranged In in the pin hole that probe base places probe, after wearing the probe from the probe installing hole 10, not with the pin hole of probe base It causes directly to contact, and reaches insulation isolation effect.And in order to avoid the probe is in various applications such as high current or high-frequency detection In the process, because the electric current of the probe transmits so that 1 region of insulating part has the mobile phenomenon of charge, and then because impedance mismatch produces Raw signal reflex loss is can increase the air capacity of the insulating part 1, so that the insulating part 1 by the way that the plural number through-hole 11 is arranged Dielectric coefficient declined.

Special one is mentioned that, is the dielectric system referred in space corresponding to 1 structure of insulating part in the dielectric coefficient described in this Number, the non-dielectric material coefficient for the insulating part 1 itself, the dielectric material coefficient of the insulating part 1 are not varied.By this The setting of plural through-hole 11, contained air capacity is promoted in 1 space of insulating part, relatively can reach reduction dielectric coefficient The effect of, it eliminates because impedance mismatch generates signal reflex loss.Wherein, the material of the insulating part 1 can further select low Jie Constant materials are made, such as silica, based on the high molecular material of silicon substrate or based on high molecular porous (hole) material of silicon substrate Material etc. all may be used.That is, promoting efficiency if further, the insulating part 1 of the utility model can also directly adopt each as the aforementioned Kind low dielectric constant materials are made, to further decrease dielectric coefficient by material property itself.It is repeated in this, this is practical new Type system makes the insulating part 1, can be made the plural number through-hole 11 based on made of a variety of materials selected by different detection environment The insulating part 1 is all able to reach the function for reducing dielectric coefficient in the corresponding space of the insulating part 1 by 11 structure of plural number through-hole Effect, and if further use low dielectric constant materials the insulating part 1 is made, it may make its efficiency more to be promoted, therefore this reality Material category is not necessarily limited to i.e. with the novel insulating part 1 can provide more preferably dielectric coefficient to reduce effect, be effectively reduced into Originally it is not easy and on material altering.

Wherein, preferably, the region area with the probe installing hole 10 is not A, the plural number through-hole to the first surface 12 It 11 gross area and is limited, and is made with big palpulus between the quantity that opens up of 0.6A~0.8A namely the plural number through-hole 11 The plural number through-hole 11 accounts for the first surface 12, and the area percentage with the probe installing hole 10 is not about 60%~80%.It is simultaneous The rigidity and its polarization phenomena for caring for the insulating part 1 exclude intensity, thus 11 gross area of plural number through-hole opened up with must be between In aforementioned range, to avoid the excessive plural number through-hole 11 is opened up, but cause the rigidity of the insulating part 1 insufficient；Conversely, if opening up The plural number through-hole 11 it is too small or very few, then can make reduce dielectric coefficient it is ineffective.It in this present embodiment, is multiple with this For the gross area and about 0.7A of number through-hole 11.Certainly, which can also have equal limitation simultaneously.

Furthermore, preferably, which can be arranged around the probe installing hole 10, so may make and reside in Air in the plural number through-hole 11 is more uniformly spread, and allows the corresponding dielectric coefficient of 1 space of insulating part everywhere all can be effectively It is lowered, results from the case where certain area of insulating part 1 etc. influences immunoregulation function generation to avoid polarization phenomena concentration.So this is practical Novel to be not limited, also visually design and demand with other arrangement modes are set to the insulating part 1 to the plural number through-hole 11.

Preferably, except as shown in Fig. 1 and Fig. 2A, the width of the plural number through-hole 11 is all outside equal configuration state, this is absolutely Edge part 1 can also be as shown in Figure 2 B, the width of the respectively through-hole 11 is presented by the first surface 12 and the second surface 13 respectively in Between configuration state decrescence, to have effects that more preferably to reduce dielectric coefficient.In addition, the visual demand of insulating part 1 and change its shape Shape, except as shown in Figure 1, the probe installing hole 10 and the plural number through-hole 11 on the insulating part 1, the insulating part 1 are all Circles It, can also be as shown in figure 3, the probe installing hole 10 and the plural number through-hole 11 on the insulating part 1, the insulating part 1 be rectangle outside sample Aspect.Certainly, when the insulating part 1, the probe installing hole 10 on the insulating part 1 and the plural number through-hole 11 are rectangle, the plural number The configuration state by the first surface 12 and the second surface 13 towards centre decrescence can also be presented in the width of through-hole 11.

It please continue the decomposition diagram for refering to Fig. 4 and Fig. 5 being the utility model preferred embodiment probe base and assembling is shown It is intended to.And please again collocation refering to fig. 1~insulating part thin portion structural representation shown in Fig. 3.The utility model is it is also proposed that a kind of probe Pedestal 2 is provided with detecting the electrical property state of semiconductor element.The probe base 2 includes a base body 20, at least a combined type group Part 21 and at least an insulating part 1.The base body 20 has an at least detection zone 201, is provided with placing semiconductor element, this is compound Formula component 21 is set to the detection zone 201, and has an at least pin hole 211, is provided with that a probe 3 is arranged.The insulating part 1 is provided with being arranged In in the plural number pin hole 211, being sheet-like structure and there is a probe installing hole 10, plural through-hole 11, a first surface 12 And a second surface 13, the probe installing hole 10 are located at the center of the insulating part 1, the first surface 12 and 13 phase of second surface To setting, and the probe installing hole 10 and the plural number through-hole 11 are through to the second surface 13 by the first surface 12 respectively, and It is coplanar that the first surface 12 and the second surface 13, which are not provided with the probe installing hole 10 and the region of the plural number through-hole 11,.It should Combined type component 21 can be whole integrated molding, part integrated molding with the base body 20 or be to separate with the base body 20 The structure aspect of assembling is implemented, this part is detailed later.It can reach the efficiency of insulation resistance but by the plural number insulating part 1, to prevent Only short circuit phenomenon occurs.And by the plural number through-hole 11 of the plural number insulating part 1, so that the probe 3 carries out electric current or signal When transmitting, the plural number insulating part 1 due to impedance mismatch caused by signal reflex loss effectively reduced, reach reduce the sky Between dielectric coefficient the effect of, such probe base 2 can have more preferably transmission detection efficiency, to be more conducive to apply in such as high frequency The field of bandwidth signals detection.Remaining about the insulating part 1 thin portion technical characteristic and effect illustrate, be quote foregoing teachings, then It please arrange in pairs or groups again refering to aforementioned paragraphs.It in this present embodiment, is that there is the detection zone 201, the combined type with the base body 20 Component 21 illustrates for having the plural pin hole 211, and 1 system of insulating part is configured at the plural number pin hole 211 according to demand.

In view of under the multiple considerations such as combined type demand and production cost, in this present embodiment, the combined type component 21 include an at least metallic mold 212 and at least one nonmetallic module 213, and the metallic mold 212 and the nonmetallic module 213 In partly overlapping spelling group state, and makes 2 system of probe base while there is metal and nonmetallic heterojunction structure.Such as it is executing When high frequency testing, noise intensity filter is then relatively important, then can substantially shadow once generate excessive noise in test process Ring testing result.It preferably selects to be by metal material at this time as the element for installing the plural number probe, it is better to obtain Screening effect.The semiconductor element only actually to be detected, the contact that is electrically connected thereon not necessarily completely must all use corresponding high frequency The test probe of test specification, and the probe base of all-metal is also easy in addition to forming higher expenditure in terms of cost in survey Respectively probe phenomenon interfering with each other is generated when examination.Therefore further, for the detection benefit for promoting the probe base 2, being To disclose structure as previously described in the present embodiment system, the combined type component 21 the plural number probe 3 is arranged may include the gold Belong to module 212 and the nonmetallic module 213, so can be applied to the semiconductor element that detection has high-frequency transmission.Such as position It may be disposed at the high-frequency electrical tie point position of corresponding semiconductor element in the plural number pin hole 211 of the metallic mold 212, being located at should The plural number pin hole 211 of nonmetallic module 213 then may be disposed at the non-high-frequency electrical tie point position of corresponding semiconductor element.And it should Metallic mold 212 and the nonmetallic module 213 are in partly overlapping spelling group state, can make in design the plural number pin hole 211 that This setting position is spaced, or makes to be located at the part of the metallic mold 212 plural number pin hole 211, this is nonmetallic with being located at Stacked connection aspect, the shielding efficiency needed for can all meeting under high-frequency test is presented in the part of the module 213 plural number pin hole 211.

In this present embodiment, which is made of non-metallic material, the combined type component 21 and the base body 20 be in the integrally formed structure aspect in part, which includes two nonmetallic modules 213 and two metals Module 212, one of them nonmetallic 213 system of module are shaped in the position of the corresponding detection zone 201 of the base body 20, And towards the 20 bottom side direction of base body, sequentially group connects the plural number metallic mold 212 and another this is non-by the nonmetallic module 213 Metallic mold 213, and then form the combined type component 21 for being set to the detection zone 201.

Similarly, it is the functionality for promoting the plural number insulating part 1, the plural number insulating part 1 first surface 12 can be made not set The area for having the probe installing hole 10 is A, the gross area of the plural number through-hole 11 and between 0.6A~0.8A, and the plural number through-hole 11 It is arranged around the probe installing hole 10.Structure feature associated description system about the plural number insulating part 1 quotes foregoing teachings, It is repeated no more in this.

In addition, in this present embodiment, respectively the metallic mold 212 has one first assembled portion, respectively the nonmetallic module 213 has There is one second assembled portion 2131, and first assembled portion 2121 and second assembled portion 2131 are each other concave-convex counter structure, in It is mutually assembled first assembled portion 2121 and second assembled portion 2131 when spelling group, also even first assembled portion 2121 is recessed When falling into aspect, then correspondence can be embedded at interior aspect to second assembled portion 2131, its group is made to connect section in concave-convex corresponding.

And after the metallic mold 212 and the nonmetallic module 213 are mutually assembled, can further it be locked by such as screw Closing element enhances its connecing property of group.And preferably, the combined type component 21 is for being coplanar shape with the surface that semiconductor element group connects State is obtained with semiconductor element with benefit and is preferably electrically connected state.Or the design of view semiconductor element, it can also be in keeping this compound Formula component 21 for semiconductor element corresponding with the surface system that semiconductor element group connects formed a direction portion 214, with reach fool proof and The function of direction, and the direction portion 214 can be fin or groove structure.

In application, in the detection zone 201 place the semiconductor element to be detected, make the plural number probe 3 respectively with semiconductor The contact electric connection that is electrically connected on element, the other end of the plural number probe 2 are then electrically connected with mechanisms such as the circuit boards of inspection, Semiconductor element can be then detected by the plural number probe 2 to be respectively electrically connected the electrical property state of contact.In the detection process, by this Plural insulating part 1 also makes the space for corresponding to the plural number insulating part 1 have low-k special while having effects that insulation Matter prevents signal reflex caused by impedance mismatch from losing, and effectively promotes the quality of detection.

In conclusion the utility model should be to utilize structure applied to the insulating part and its probe base of probe base It designs to reach the effect of reducing dielectric coefficient, so that the dielectric coefficient in the insulating part region is minimized, and then avoids because of resistance Signal reflex loss caused by anti-mismatch is so that detection procedure can be gone on smoothly.And born repeat that in this, it is designed by structure Reduced dielectric coefficient means the dielectric coefficient in the corresponding insulating part space, anti-to hinder signal caused by but impedance mismatch Penetrate loss.And depending on application demand, which also can be selected low dielectric constant materials and is made, and reduce dielectric coefficient to promote Efficiency.In other words, which kind of no matter the insulating part of the utility model meet the material of detection demand using, all sets using through-hole Meter reaches the effect of reducing the dielectric coefficient in the insulating part regional space.And use the probe base of the insulating part, then may be used It is substantially improved and detects efficiency, detection accuracy is promoted, to be more suitable for such as high-frequency signal detection field.

It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art Understand, without departing from the spirit and scope defined by the claims, can many modifications may be made, variation or it is equivalent, but It falls within the protection scope of the utility model.

Claims (10)

1. a kind of insulating part applied to probe base has a probe installing hole, is provided with wearing probe, it is characterised in that:

The insulating part is sheet-like structure, and has plural through-hole, a first surface and a second surface, the probe installing hole position In the center of the insulating part, the first surface and the second surface are oppositely arranged, and the probe installing hole and the plural number through-hole point The second surface is not through to by the first surface, and the first surface and the second surface are not provided with the probe installing hole and are somebody's turn to do The region of plural through-hole is coplanar.

2. the insulating part according to claim 1 applied to probe base, which is characterized in that the first surface does not have this The region area of probe installing hole is A, and the gross area of the plural number through-hole is between 0.6A~0.8A.

3. the insulating part according to claim 1 or 2 applied to probe base, which is characterized in that the plural number through-hole surrounds The probe installing hole is arranged.

4. the insulating part according to claim 3 applied to probe base, which is characterized in that respectively the width of the through-hole is by this First surface and the second surface towards it is intermediate decrescence.

5. a kind of probe base is provided with detecting semiconductor element, it is characterized in that comprising:

One base body has an at least detection zone, is provided with placing semiconductor element；

An at least combined type component is set to the detection zone, and has an at least pin hole, is provided with that a probe is arranged；And

An at least insulating part is provided with being set in the pin hole, the insulating part be sheet-like structure, and have a probe installing hole, Plural through-hole, a first surface and a second surface, the probe installing hole are located at the center of the insulating part, the first surface and should Second surface is oppositely arranged, and the probe installing hole and the plural number through-hole are through to the second surface by the first surface respectively, And it is coplanar that the first surface and the second surface, which are not provided with the probe installing hole and the region of the plural number through-hole,.

6. probe base according to claim 5, which is characterized in that the combined type component include an at least metallic mold and At least one nonmetallic module, and the metallic mold and the nonmetallic module are in partly overlapping spelling group state.

7. probe base according to claim 5 or 6, which is characterized in that the first surface does not have the probe installing hole Region area be A, the gross area of the plural number through-hole and between 0.6A~0.8A.

8. probe base according to claim 7, which is characterized in that the plural number through-hole is set around probe installing hole arrangement It sets.

9. probe base according to claim 6, which is characterized in that the metallic mold has one first assembled portion, this is non- Metallic mold has one second assembled portion, and first assembled portion and second assembled portion are concave-convex counter structure each other, are being spelled First assembled portion and second assembled portion is set to be mutually assembled when group.

10. probe base according to claim 7, which is characterized in that the combined type component with semiconductor element group for connecing Surface have a direction portion.