CONTACT DEVICE SYSTEM

Abstract

A contact device system having a plate-shaped carrier and at least five accommodating areas are disposed on a bottom side of the pressing unit, at least five accommodating areas and at least five contact area pairs are disposed on a top side of the carrier. The contact area pairs each have a first and second electrically conductive contact area, and in each case the first contact area is spaced apart from the second contact area and insulated electrically therefrom. The first and second contact areas have a functional electrical connection to an evaluation circuit via a trace section. The carrier has a plurality of accommodating areas for a packaged electronic component, that each have one of the at least five contact area pairs. The electronic components have at least two terminal contacts, whereby after accommodation of the packaged electronic components, the terminal contacts of the particular component are pressed down.

Claims

1. A contact device system comprising: a plate-shaped carrier that has a bottom side and a top side; a pressing unit that has a bottom side and a top side; at least five accommodating areas arranged on the bottom side of the pressing unit; at least five accommodating areas and at least five contact area pairs arranged on the top side of the carrier, the contact area pairs each comprising a first electrically conductive contact area and a second electrically conductive contact area, the first contact area being spaced apart from the second contact area and being insulated electrically therefrom, the first contact area and the second contact area each having a functional electrical connection to an evaluation circuit via a trace section; and at least one electronic component having at least two terminal contacts, wherein after accommodation of the packaged electronic component, the electronic component is placed on the top side of the carrier on one of the accommodating areas and the first terminal contact is placed on the first contact area and the second terminal contact is placed on the second contact area, wherein the terminal contacts of the electronic component are pressed down by the pressing unit and the first terminal contact is electrically connected to the first contact area and the second terminal contact to the second contact area, and wherein elastic areas are arranged such that the terminal contacts are pressed onto the contact areas by the elastic areas.

2. The contact device system according to claim 1, wherein the terminal contacts are formed on the package of the electronic component and the contact areas are formed in the accommodating area or the terminal contacts are made as pin-like terminal lugs, and wherein the contact areas are spaced apart from the package accommodating area.

3. The contact device system according to claim 1, wherein the carrier has a trench-shaped recess on the top side and part of the accommodating areas is located in the recess and/or the pressing unit has a trench-shaped recess on the bottom side.

4. The contact device system according to claim 3, wherein the carrier and/or the pressing unit have a plurality of long trench-shaped recesses spaced apart from one another.

5. The contact device system according to claim 3, wherein the recess has a plurality of pockets arranged in rows.

6. The contact device system according to claim 3, wherein uniformly spaced separation walls in the trench-shaped recess project from the bottom area of the recess, and wherein the space between two directly adjacent separation walls corresponds to an external package dimension of the packaged electronic component to be measured.

7. The contact device system according to claim 1, wherein the carrier and/or the pressing unit are made as plates.

8. The contact device system according to claim 5, wherein a plurality of contact areas are arranged along the accommodating areas.

9. The contact device system according to claim 1, wherein the pressing unit is formed in the shape of a strip.

10. The contact device system according to claim 1, wherein the pressing unit has strip-shaped elastic areas, wherein a length of the strip-shaped elastic areas corresponds substantially to a length of the accommodating areas.

11. The contact device system according to claim 10, wherein the pressing unit has two formations on a bottom side to press the terminal contacts onto the contact areas.

12. The contact device system according to claim 1, wherein the pressing unit comprises contact area pairs or conductive contact surfaces, wherein the contact surfaces are arranged such that the contact terminals form an electrical contact by the contact surfaces, and wherein the pressing unit comprises a plurality of metal layers.

13. The contact device system according to claim 1, wherein the pressing unit and the carrier each have at least two alignment marks in order to align the pressing unit and the carrier to one another with use of the alignment marks.

14. The contact device system according to claim 3, wherein the recess has a length between 2 mm and 40 cm and/or a width between 2 mm and 2 cm.

15. The contact device system according to claim 3, wherein a depth of the recess is between 0.05 mm and 3 mm.

16. The contact device system according to claim 1, wherein the carrier has a plurality of trace layers and an unbundling is carried out on the carrier by the traces, and wherein the traces are connected to the contact areas in order to conduct signals to the contact areas.

17. The contact device system according to claim 1, wherein the pressing unit has a plurality of trace layers and an unbundling on the pressing unit is carried out by the traces.

18. The contact device system according to claim 1, wherein the pressing unit and the carrier are connected to one another by a fastening element.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The present invention will become more fully understood from the detailed description given hereinbelow and the accompanying drawings which are given by way of illustration only, and thus, are not limitive of the present invention, and wherein:

[0034] FIG. 1a shows a cross-sectional view of an embodiment of the invention;

[0035] FIG. 1b shows a plan view of the embodiment illustrated in FIG. 1a;

[0036] FIG. 2 shows a cross-sectional view of an embodiment of the invention;

[0037] FIG. 3 shows a cross-sectional view of an embodiment of the invention;

[0038] FIG. 4 shows a cross-sectional view of an embodiment of the invention;

[0039] FIG. 5 shows a plan view of a carrier according to an embodiment;

[0040] FIG. 6 shows a cross-sectional view of an embodiment of the invention.

DETAILED DESCRIPTION

[0041] The illustration in FIG. 1a shows a cross-sectional view along a section line A-A of the embodiment shown in FIG. 1b of a first embodiment, having a contact device system 10 with a plate-shaped carrier 20. Carrier 20 has a bottom side 22, a top side 24, and a recess 26 formed on top side 24. Contact device system 10 comprises a pressing unit 27 with a bottom side 122 and a top side 124. An elastic area 29 formed as a plastic layer is located on bottom side 122 of pressing unit 27. In the present case, bottom side 122 is completely covered by the plastic layer. It is understood, however, that in an alternative embodiment that is not shown the plastic layer is also made smaller. Pressing unit 27 is shown in cross section and is formed in the shape of a strip in the present embodiment. A first electrically conductive contact area 30 is formed on top side 24 of carrier 20. A second electrically conductive contact area 32 and a third electrically conductive contact area 34 are not shown. All contact areas 30, 32, and 34 are spaced apart and electrically insulated from one another (this is not shown). It is understood that first contact area 30 and second contact area 32 and third contact area 34 each have a functional electrical connection to an evaluation circuit (not shown) by means of a tracer section (not shown).

[0042] Recess 26 on top side 24 of carrier 20 accommodates a first part of an electronic component 40, whereby packaged IC 40 has a first terminal contact 42. The size of recess 26 is matched to the size of IC package 40. First metallic terminal contact 42 is arranged along top side 24 of carrier 20 and lies with a part on first contact area 30. A second metallic terminal contact 44 and a third metallic terminal contact 46 are not shown. Areas 29 of pressing unit 27 press the part, lying thereupon, of first terminal contact 42 onto first contact area 30 in order to create a reliable electrical contact.

[0043] A plan view of the embodiment, illustrated in FIG. 1a, is shown in the illustration of FIG. 1b. Only the differences from the illustration in FIG. 1a will be explained below. Recess 26 is formed like a trench and accommodates the first part of four electronic components 40 arranged next to one another. Three metallic terminal contacts 42, 44, and 46 of individual ICs 40 are arranged on the respective contact areas 30, 32, and 34. The strip-shaped pressing unit 27, shown as a dashed line, covers those parts of terminal contacts 42, 44, and 46 that lie above contact areas 30, 32, and 34.

[0044] The illustration in FIG. 2 shows a cross-sectional view of an embodiment. Only the differences relative to the illustrations in the previous figures will be explained below. In the case of carrier 20, first contact area 30 and second contact area 32 are now arranged parallel to one another. In the present case, accommodating area for accommodating IC 40 comprises the entire area between first contact area 30 and second contact area 32.

[0045] Carrier 20 has on top side 24 a first trace layer 100 with traces 110 and a second trace layer 112 with traces 114. Traces 114 are connected to traces 110 and traces 110 are connected to contact surfaces 30 and 32 by means of through-holes 115. Rewiring can be easily carried out due to the plurality of trace layers.

[0046] IC 40 is pressed onto carrier 20 by pressing unit 27, so that first metallic terminal contact 42 lies on first contact area 30 and second metallic terminal contact 44 on second contact area 32 and forms a reliable electrical contact.

[0047] The illustration in FIG. 3 shows a cross-sectional view of an embodiment. Only the differences relative to the illustrations in the previous figures will be explained below. Pressing unit 27 has on bottom side 122 a first formation 142 with first metallic terminal contact 42 on first contact area 30 and a second formation 144 with second metallic terminal contact 44 on second contact area 32. Stated differently, pressing unit 27 in the present embodiment has a u-shaped cross section, whereby terminal contacts 42 and 44 are pressed onto contact areas 30 and 32 by means of the two shank-like formations 142 and 144.

[0048] The illustration in FIG. 4 shows a cross-sectional view of an embodiment. Only the differences relative to the illustrations in the previous figures will be explained below. Carrier 20 now comprises two trench-shaped recesses 26 arranged parallel to one another. Both recesses 26 are configured to accommodate packaged ICs 40 (shown by the dashed lines). Carrier 20 on the bottom side has first trace layer 100 with traces 110 and second trace layer 112 with traces 114. Traces 114 are connected to traces 110 and traces 110 are connected to contact surfaces 30, 32, and 34 by through-holes 115. The carrier has holes 117 formed as alignment aids.

[0049] Pressing unit 27 is made plate-shaped and covers the entire area having two trench-shaped recesses 26 with electronic components 40 and terminal contacts 30, 32, and 34. Pressing unit 27 has two trench-shaped recesses 127 to accommodate a second part of electronic components 40 and has two elastic areas 29, formed as strips, to press the pin-like terminal lugs 42, 44, and 46 formed as terminal contacts reliably onto the associated contact areas 30, 32, and 34. An advantage is that the terminal lugs are not bent when being pressed together. Pressing unit 27 has a plurality of holes 119 as alignment aids or alignment marks.

[0050] To center pressing unit 27 with carrier 20, holes 119 of pressing unit 27 align with holes 117 of carrier 20. It is possible to connect pressing unit 27 to carrier 20 by means of a fastening element. In particular, the two parts 20, 27 can be secured against slipping by means of the fastening element and the reliability increased. Further, the contact pressure can be adjusted to achieve reliable contacting.

[0051] In the present case, screws 120 with nuts 124, which go through holes 117 and 119, are provided as fastening elements. Pressing unit 27 and carrier 20 are pressed together by screws 120.

[0052] A plan view of an embodiment of a carrier is shown in FIG. 5. Only the differences relative to the illustrations in the previous figures will be explained below. Carrier 20 has separation walls 130 in the two recesses 26. Separation walls 130 project from the trench bottom. The trench-shaped recess can be understood as a plurality of joined pockets or pockets arranged side-by-side or, in other words, as a trench divided into sections. Separation walls 130 preferably have a plate-shaped design. It should be noted that bar-shaped separation walls 130 are also sufficient. In the left trench, two directly adjacent separation walls 130 have a distance DG1, whereas in contrast in the right trench two directly adjacent separation walls 130 have a greater distance DG2. It should be noted that the distance between two directly adjacent separation walls 130 corresponds to an external dimension of electronic component 40. ICs 40 can be secured against slipping in the longitudinal direction of the particular trench by separation walls 130.

[0053] A cross-sectional view of a sixth embodiment of a carrier 20 with a pressing unit 27 is shown in FIG. 6. Only the differences relative to the illustrations in the previous figures will be explained below. Pressing unit 27 on the top side has a first trace layer 300 with traces 310 and a second trace layer 312 with traces 314. Traces 314 are connected to traces 310 and traces 310 are connected to contact surfaces 230, and two other contact surfaces (not shown) by means of through-holes 315. Rewiring can be easily carried out due to the plurality of trace layers.

[0054] The invention being thus described, it will be obvious that the same may be varied in many ways. Such variations are not to be regarded as a departure from the spirit and scope of the invention, and all such modifications as would be obvious to one skilled in the art are to be included within the scope of the following claims.