CN117301190A

CN117301190A - Drilling cover plate

Info

Publication number: CN117301190A
Application number: CN202210729975.2A
Authority: CN
Inventors: 叶日宏; 张有志
Original assignee: Yuzheng Technology Co ltd
Current assignee: Yuzheng Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2023-12-29

Abstract

A drilling cover plate is applied to a conductive drilling machine. The drilling cover plate comprises a cover plate body and a conductive part. The cover plate body comprises a first surface, a second surface and a third surface. The first surface is opposite to the second surface, and the third surface is connected with the first surface and the second surface, wherein at least the first surface is electrically insulated. The conductive part is arranged on the cover plate body and extends from a part of the first surface to the second surface through the third surface. The drilling cover plate has a simple structure, can be suitable for various materials, and greatly reduces the cost.

Description

Drilling cover plate

Technical Field

The invention relates to the field of circuit boards, in particular to a drilling cover plate.

Background

The density of electronic components per unit area is greatly increased by the miniaturization of the components of the electronic products. Therefore, there is a need for increasing the circuit density of the circuit board, and the thickness of the circuit board is reduced, so that the three-dimensional effect of the circuit stack is achieved by drilling and filling metal. As the line width is reduced, the specification of the aperture is smaller and smaller, and the requirements on the shape of the aperture and the roughness of the aperture wall are stricter.

Current drilling techniques include conductive and nonconductive drilling, in which an infrared sensor is used to detect the condition of the drill point and a warning signal is sent when the drill point breaks or in other abnormal conditions. However, the infrared rays are easily affected by heat to be misjudged, and the warning signal is not sent out at the first time to perform fault removal, so that the drill loss is easily increased and the follow-up products are easily bad.

In addition, the conductive drilling is to use the drill point, the cover plate and the circuit board as a loop, and the drilling position can be confirmed by a conductive mode. In addition, when the phenomenon such as needle breakage occurs, the needle breakage position can be immediately detected due to the circuit interruption, and the fault removal can be performed. This approach, however, requires limiting the cover plate to conductive materials. The cold-rolled sheet and the urea sheet (collectively referred to as a phenolic resin sheet) of the insulator are not applicable.

Disclosure of Invention

In order to solve the problems faced by the prior art, a drill plate is provided herein. The drilling cover plate is applied to the conductive drilling machine. The drilling cover plate comprises a cover plate body and a conductive part. The cover plate body comprises a first surface, a second surface and a third surface. The first surface is opposite to the second surface, and the third surface is connected with the first surface and the second surface, wherein at least the first surface is electrically insulated. The conductive part is arranged on the cover plate body and extends from a part of the first surface to the second surface through the third surface.

In some embodiments, the conductive portion is a conductive tape.

In some embodiments, the cover body is an insulating cover.

In some embodiments, the cover plate body includes a support carrier plate and an insulating lubrication layer, wherein the insulating lubrication layer is disposed on the support carrier plate.

In more detail, in some embodiments, the upper surface of the insulating and lubricating layer is a first surface, and the lower surface of the support carrier plate is a second surface.

In more detail, in some embodiments, the thickness of the support carrier plate is greater than the insulating lubrication layer.

In more detail, in some embodiments, the support carrier is a metal carrier.

In more detail, in other embodiments, the support carrier is an insulating carrier. Further, in some embodiments, the drilling cover further includes a conductive layer, wherein the conductive layer and the insulating and lubricating layer are respectively located on opposite sides of the supporting carrier, wherein an upper surface of the insulating and lubricating layer is a first surface, and a lower surface of the conductive layer is a second surface.

In some embodiments, the cover plate body includes a supporting carrier plate and a conductive layer, wherein the supporting carrier plate is an insulating carrier plate, the conductive layer is disposed on the supporting carrier plate, an upper surface of the supporting carrier plate is a first surface, and a lower surface of the conductive layer is a second surface.

In more detail, in some embodiments, the thickness of the support carrier is greater than the conductive layer.

By the structure of the drilling cover plate, the conductive drilling machine can form a loop with the drill point and the circuit board of the conductive drilling machine through the conductive part. The structure of the whole drilling cover plate is simple and can be suitable for various materials. The application range is wider, and the cost can be greatly reduced.

The invention will now be described in more detail with reference to the drawings and specific examples, which are not intended to limit the invention thereto.

Drawings

FIG. 1 is a perspective view of a first embodiment of a drill plate;

FIG. 2 is a side view of a first embodiment of a drill plate;

FIG. 3 is a side view of a second embodiment of a drill plate;

FIG. 4 is a side view of a third embodiment of a drill plate;

fig. 5 is a side view of a fourth embodiment of a drill plate.

Wherein reference numerals are used to refer to

1 drilling cover plate

10 cover plate body

11 first surface

13 second surface

15 third surface

110 supporting carrier plate

111 upper surface

113 lower surface

120 insulating lubricating layer

121 upper surface

130 conductive layer

133 lower surface

20 conductive part

Detailed Description

The structural and operational principles of the present invention are described in detail below with reference to the accompanying drawings:

in the following description, the terms "first," "second," and "third" are used merely to distinguish one element, component, region, or section from another element, component, region, layer, or section, and do not necessarily indicate a sequential order. Furthermore, relative terms such as "lower" and "upper" may be used herein to describe one element's relationship to another element, it being understood that the relative terms are intended to encompass different orientations of the device in addition to the orientation depicted in the figures. For example, if the device in one figure is turned over, elements described as being on the "lower" side of other elements would then be oriented on the "upper" side of the other elements. This represents only a relative, not an absolute, positional relationship.

In the drawings, the widths of portions of elements, regions, etc. are exaggerated for clarity. Like numbers refer to like elements throughout. It will be understood that when an element is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present.

Fig. 1 is a perspective view of a first embodiment of a drill plate. Fig. 2 is a side view of a first embodiment of a drill plate. As shown in fig. 1 and 2, the drilling plate 1 includes a plate body 10 and a conductive portion 20. The cover body 10 includes a first surface 11, a second surface 13, and a third surface 15. The first surface 11 is opposite to the second surface 13, and the third surface 15 connects the first surface 11 and the second surface 13. Here, the first surface 11 is an upper surface, and the second surface 13 is a lower surface. The third surface 15 is a side surface. The conductive portion 20 is disposed on the cover body 10, and extends from a portion of the first surface 11 to the second surface 13 via the third surface 15.

The cover plate 1 is applied to a conductive drilling machine (not shown), and the cover plate 1 and a base are usually clamped in a sandwich manner to be mounted in the conductive drilling machine. The portion of the conductive portion 20 located on the first surface 11 is in contact with a fixing member (not shown) of the conductive drill, which is a copper ring. Thus, the conductive drill can be electrically connected with the drill plate 1 through the conductive portion 20. Thus, the cover plate 1 can be positioned by means of electric current in an electrically conductive manner. At the same time, the position of the drill point is confirmed.

In more detail, in some embodiments, the conductive portion 20 may be tested by a conductive tape, which may be a silver tape, a copper tape, an aluminum tape, a graphite tape, or the like. In addition, in the first embodiment, the cover body 10 is an integrated insulating cover, such as a urea plate or a cold-stamping plate. The above description is intended to be illustrative only and not limiting.

Fig. 3 is a side view of a second embodiment of a drill plate. As shown in fig. 3, with reference to fig. 2, the second embodiment differs from the first embodiment in the cover body 10. The cover body 10 of the second embodiment includes a supporting carrier plate 110 and an insulating lubrication layer 120, wherein the insulating lubrication layer 120 is disposed on the supporting carrier plate 110. Here, the upper surface 121 of the insulating and lubricating layer 120 is the first surface 11, and the lower surface 113 of the support carrier 110 is the second surface 13. In more detail, the thickness of the support carrier plate 110 is greater than the insulating lubrication layer 120. By the insulating and lubricating layer 120, a lubricating effect can be further provided, and the breakage of the needle during drilling can be reduced.

In this embodiment, the support carrier 110 may be a metal carrier, such as an aluminum plate, a steel plate, or an insulating carrier, such as a urea plate.

Fig. 4 is a side view of a third embodiment of a drill plate. Referring to fig. 4 together with fig. 3, the third embodiment is different from the second embodiment in that the cover body 10 further includes a conductive layer 130. The conductive layer 130 and the insulating and lubricating layer 120 are respectively located on opposite sides of the supporting carrier, wherein the upper surface 121 of the insulating and lubricating layer 120 is the first surface 11, and the lower surface 133 of the conductive layer 130 is the second surface 13.

Fig. 5 is a side view of a fourth embodiment of a drill plate. As shown in fig. 5, the cover body 10 includes a supporting carrier 110 and a conductive layer 130, the supporting carrier 110 is an insulating carrier, the conductive layer 130 is disposed on the supporting carrier 110, the upper surface 111 of the supporting carrier 110 is a first surface 11, and the lower surface 133 of the conductive layer 130 is a second surface 13. Here, the thickness of the support carrier 110 is greater than the conductive layer 130.

In summary, with the structure of the drilling plate 1, the conductive drilling machine (not shown) can form an electrical circuit with the drill and the circuit board (not shown) of the conductive drilling machine through the conductive portion 20. Thereby positioning the circuit board and detecting the position of the drill point. The overall drilling cover plate 1 has a simple structure and can be applied to various materials. The application range is wider, and the cost can be greatly reduced.

Of course, the present invention is capable of other various embodiments and its several details are capable of modification and variation in light of the present invention, as will be apparent to those skilled in the art, without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A drilling plate for use with an electrically conductive drilling machine, the drilling plate comprising:

the cover plate body comprises a first surface, a second surface and a third surface, wherein the first surface is opposite to the second surface, the third surface is connected with the first surface and the second surface, and at least the first surface is electrically insulated; and

the conductive part is arranged on the cover plate body and extends from a part of the first surface to the second surface through the third surface.

2. The entry sheet of claim 1, wherein the conductive portion is a conductive tape.

3. The entry sheet of claim 1, wherein the sheet body is an insulating sheet.

4. The entry sheet of claim 1, wherein the sheet body comprises a support carrier and an insulating lubricant layer, wherein the insulating lubricant layer is disposed on the support carrier.

5. The entry sheet of claim 4, wherein an upper surface of the insulating lubricant layer is the first surface and a lower surface of the support carrier is the second surface.

6. The entry sheet of claim 4, wherein the support carrier has a thickness greater than the insulating lubricant layer.

7. The entry sheet of claim 4, wherein the support carrier is a metal carrier.

8. The entry sheet of claim 4, wherein the support carrier is an insulating carrier.

9. The entry sheet of claim 8, further comprising a conductive layer, wherein the conductive layer and the insulating lubricant layer are located on opposite sides of the support carrier, respectively, wherein an upper surface of the insulating lubricant layer is the first surface and a lower surface of the conductive layer is the second surface.

10. The drilling cover plate of claim 1, wherein the cover plate body comprises a supporting carrier plate and a conductive layer, wherein the supporting carrier plate is an insulating carrier plate, the conductive layer is disposed on the supporting carrier plate, an upper surface of the supporting carrier plate is the first surface, and a lower surface of the conductive layer is the second surface.

11. The entry sheet of claim 10, wherein the support carrier has a thickness greater than the conductive layer.