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1. WO1983003141 - APPAREIL DE TEST UTILISANT UN LIT A POINTE

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

CLAIMS
1. A test fixture comprising:
an elongate, generally rectangular housing made from an insulating material having a plurality of parallel, spaced, at least partially open-sided channels extending perpendicular to the longitudinal dimension thereof, one longitudinal side edge of said housing lying in a given plane, the ends of said channels in said plane being open;
a plurality of conductive pins, individual ones of said pins being positioned in individual ones of said channels, said pins extending through said given plane;
an elongate, generally rectangular member positioned parallel to said housing, adjacent the open sides of said channels, one longitudinal side edge of said member being parallel to and adjacent said one side edge of said housing, said member including a pattern of electrical leads; and
a plurality of parallel, spaced contacts positioned along said one side edge of said member, the spacing be- tween said contacts being the same as the spacing between said channels whereby a contact is aligned with each of said channels, each of said contacts being electrically connected to a different one of said electrical leads and being positioned to contact a different one of said pins for completing an electrical circuit therebetween.

2. A test fixture according to Claim 1, wherein the sides of said channel are open adjacent said one side edge of said housing and wherein said contacts contact said pins through said open sides of said channels.

3. A test fixture according to Claim 1, further comprising:
means for applying a longitudinal spring force to each of said pins to urge said pins in the direction of the ends thereof which extend through said given plane.

4. A test fixture according to Claim 3, wherein said force applying means comprises:
a plurality of springs, one for each of said pins.

5. A test fixture according to claim 4, wherein said springs are positioned within said channels in said housing.

6- A test fixture according to Claim 1 or 3, further comprising:
means for retaining said pins within said channels in said housing.

7. A test fixture according to Claim 6, wherein said one side edge of said housing has a plurality of holes therein, extending parallel to and between said channels; wherein each of said pins comprises a first shaft section which extends through said given plane and a second, increased diameter shaft section which extends into said channels so as to define a shoulder between said first and second sections; and wherein said pins retaining means comprises:
an elongate, generally rectangular cover having a lower surface which is adapted to be brought into contact with said one side edge of said housing, said cover having a plurality of protrusions extending from said lower surface thereof, perpendicular thereto, said protrusions being adapted to extend into said holes in said one side edge of said housing, one side of said cover having a series of parallel, U-shaped slots therein which extend perpendicular to the longitudinal dimension thereof, said slots being aligned with said channels in said housing, the spacing between the sides of each slot being greater than the diameter of said first shaft section of said pins and less than the diameter of said-second shaft section of said pins whereby said shoulder engages said bottom surface of said cover and said first shaft section of said pins extends through said slots.

8. A test fixture according to Claim 1, wherein each of said contacts is a spring contact for applying a lateral force to its associated pin.

9. A test fixture according to Claim 1 or 8, wherein said member comprises:
an elongate, generally rectangular sheet of flexible insulating material, said contacts and said electrical
> leads being formed on said sheet.

10. A test fixture according to Claim 9, wherein said contacts have first ends thereof connected to said sheet and said electrical leads wherein each contact functions as an independent, single beam contact which is free to move independently of all other contacts.

11. A test fixture according to Claim 9, wherein said sheet is connected to said housing.

12. A test fixture according to Claim 1, wherein the other ends of at least some of said channels in the longitudinal side edge of said housing opposite from said one
side edge are also open, and further comprising:
a base for supporting said housing; and
a plurality of support pins extending from one surface of said base, said support pins being adapted to extend into said open other ends of said channels for support of said housing.

13. A test fixture according to Claim 1, wherein the side of said housing facing said member has an offset portion defining a ledge, adjacent the longitudinal side edge thereof opposite from said one side edge, said member being positionable on said ledge.

14. A test fixture according to Claim 1, wherein said member includes a plurality of parallel, spaced terminals positioned along an edge thereof remote from said plurality of contacts, said conductive leads connecting each of the contacts of said plurality of contacts to corresponding ones of the terminals of said plurality of terminals.

15. A test fixture according to Claim 1, further comprising:
a second elongate, generally rectangular housing made from an insulating material having a plurality of parallel, spaced, at least partially open-sided channels extending perpendicular to the longitudinal dimension thereof, one longitudinal side edge of said second housing lying in a second given plane, the ends of said channels in said second plane being open;
a second plurality of conductive pins, individual ones of said second pins being positioned in individual ones of said channels in said second housing, said second pins ex-ι- tending through said second given plane, one end of said member being positioned adjacent to said first housing, the other end of said member being positioned parallel to said second housing, adjacent the open sides of said channels, a second longitudinal side edge of said member being parallel to and adjacent said one side edge of said second housing; and
a second plurality of parallel, spaced contacts positioned along said second side edge of said member, the spacing between said second contacts being the same as the spacing between said channels in said second housing whereby a second contact is aligned with each of said channels in said second housing, each of said second contacts being electrically connected to a different one of said electrical leads and being positioned to contact a different one of said second plurality of pins for completing an electrical circuit between said first and second plurality of pins.

16. A test fixture according to Claim 15, wherein said one side edge of said member is the same side edge as said second side edge thereof.

17. A test fixture according to Claim 15, further comprising:
means for applying a longitudinal spring force to each of said first-mentioned pins to urge said first pins in the direction of the ends thereof which extend through said first-mentioned given plane.

18. A test fixture according to Claim 15 or 17, further comprising:
means for retaining said first-mentioned pins and said second pins within said channels in said first and second housings.

19. A test fixture according to Claim 18, wherein said one side edges of said first and second housings have a plurality of holes therein, extending parallel to and betwee said channels; wherein each of said first and second pins comprises a first shaft section which extends through said given plane and a second, increased diameter shaft section which extends into said channels so as to define a shoulder between said first and second sections; and wherein said pins retaining means-- for each of said first and second hous- ings comprises:
an elongate, generally rectangular cover having a lower surface which is adapted to be brought into contact with said one side edges of said housings, said cover having a plurality of protrusions extending from said lower surface thereof, perpendicular thereto, said protrusions being adapted to extend into said holes in said one side edges of said housings, one side of said cover having a series of parallel, U-shaped slots therein which extend perpendicular to the longitudinal dimension thereof, said slots being aligned with said channels in said housings, the spacing between the sides of each slot being greater than the diameter of said first shaft section of said pins and less than the diameter of said second shaft section of said pins whereby said shoulder engages said bottom surface of said cover and said first shaft sections of said pins extend through said slots.

20. A test fixture according to Claim 15 wherein each of said contacts is a spring contact for applying a lateral force to its associated pin.

21. A test fixture according to Claim 15, wherein said member comprises:
an elongate, generally rectangular sheet of flexible, insulating material, said first and second contacts and said electrical leads being formed on said sheet, opposite ends of said sheet being positioned adjacent said first and second housings.

22. A test fixture according to Claim 21, wherein the opposite ends of said sheet are connected to said first and second housings.

23. A test fixture according to Claim 15, wherein the other ends of at least some of said channels in the longitudinal side edges of said first and second housings opposite from said one side edges thereof are also open, and further comprising:
a base for supporting said housings; and
a plurality of support pins extending from one surface of said base, said support pins being adapted to extend into said open other ends of said channels for support of said first and second housings.

24. A test fixture according to Claim 15, further comprising:
a plurality of said members and a plurality of said first and second housings connected to opposite ends of said plurality of members, said first housings and said second housings being positioned in stacked arrays, said first housings providing a two-dimensional series of channels for support of said first pins .to provide a test head for testing a two-dimensional product, said second housings providing a two-dimensional series of channels for support of said second pins to provide a transition head for interconnecting with an analyzer.

OMPI
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25. A test fixture according to Claim 1, further comprising:
a plurality of said housings and a plurality of said members positioned in a stacked array to provide a two-dimensional series of channels for support of said pins to provide a test head for testing a two-dimensional product.

26. A test fixture according to Claim 1, further comprising:
a plurality of said housings, said pins being positioned in said channels of all of said housings, and a plurality of said members positioned in a stacked array to provide a two-dimensional series of channels for support of said pins to provide a test head for testing a two-dimensional product.

27. An assembly for constructing a test fixture
comprising:
a test head unit comprising:
a first elongate, generally rectangular housing 5 made from an insulating material having a plurality of parallel, spaced, at least partially open-sided channels
extending perpendicular to the longitudinal dimension thereof, one longitudinal side edge of said first housing lying
in a first plane, the ends of said channels in said first 10 plane being open;
a first plurality of conductive pins, individual
ones of said first pins being positioned in individual ones . of said channels, said first pins extending through said
first plane; and
15 means for applying a longitudinal spring force to each of said first pins to urge said first pins in the direction of the ends thereof which extend through said first
plane; and
a transition head unit comprising:
^ a second elongate, generally rectangular housing made from an insulating material having a plurality of parallel, spaced, at least partially open-sided channels
extending perpendicular to the longitudinal dimension thereof, one longitudinal side edge of said second housing lying in a

25 second plane, the ends of said channels in said second plane being open;
a second plurality of conductive pins, individual ones of said second pins being positioned in individual ones of said channels in said second housing, said second pins 0 extending through said second plane;
an elongate, generally rectangular sheet of flexible
insulating material, one end of said sheet being positioned parallel to said first housing, adjacent to the open sides of said channels therein, one longitudinal side edge of said

35 sheet being parallel to and adjacent said one side edge of
said first housing, the other end of said sheet being positioned parallel to said second housing, adjacent the open

O! 1PI
K/ -r. v-:ro sides of said channels therein, said one longitudinal side edge of said sheet being parallel to and adjacent said one side edge of said second housing; and
a first and a second series of parallel, spaced contacts positioned along said one side edge of said sheet, said first series of contacts being positioned adjacent said first housing, said second series of contacts being positioned ad-jacent said second housing, the spacing between said contacts of said first and second series being the same as the spacing between said channels of said first and second housings, respectively, whereby a •contact is aligned with each of said channels, said sheet including a pattern of electrical leads for conducting electrical signals, each of said contacts of said first and second series of contacts being electrically connected to different ones of said electrical leads whereby each contact of said first series of contacts is electrically connected to a different one of said contacts of said second series of contacts for completing an electrical circuit between said first and second plurality of pins.

28. An assembly according to Claim 27, wherein said force applying means comprises:
a plurality of springs, one for each of said first pins.

29. An assembly according to Claim 28, wherein said springs are positioned within said channels in said first housing.

30. An assembly according to Claim 27, wherein said test head unit further comprises:
first means for retaining said first pins within said channels in said first housing; and wherein said transition head unit further comprises:
second means for retaining said second pins within said channels in said second housing.

31. An assembly according to Claim 27, wherein each of said contacts of said first and second series of contacts is a spring contact for applying a lateral force to its associated first or second pin.

32. An assembly according to Claim 31, wherein said contacts have first ends thereof connected to said one side edge of said sheet and said electrical leads wherein each contact functions as an independent, single beam contact which is free to move independently of all other contacts.

33. An assembly according to Claim 27, wherein said one end of said sheet is connected to said first housing and wherein the other end of said sheet is connected to said second housing.

34. An ass-embly according to Claim 27, wherein the other ends of at least some of said channels in the longitudinal side edges of said housings opposite from said one side edges are also open, and further comprising:
a base for supporting said housings; and
a plurality of support pins extending from one surface of said base, said support pins being adapted to extend into said open other ends of said channels for support of said first and second housings.

35. A test fixture comprising:
a plurality of assemblies according to Claim 27, each of said test head units being positioned in a stacked array to provide a two-dimensional series of channels for support of said first pins to provide a test head for testing a two- dimensional product, each of said transition head units being positioned in a stacked array to provide a two-dimensional series of channels for support of said second pins to provide a transition head for interconnection with an electronic circuit analyzer.

36. A test fixture according to Claim 35, wherein said force applying means comprises:
a plurality of springs, one for each of said first pins.

37. A test fixture according to Claim 36, wherein said springs are positioned within said channels in said first housing.

38. A test fixture according to Claim 35, wherein each of said test head units further comprises:
first means for retaining said first pins within said channels in said first housing; and wherein each of said 5 transition head units 'comprises:
second means for retaining said second pins within said channels in said second housing.

39. A test fixture according to Claim 35, wherein the other ends of at least some of said channels in the longitudinal side edges of said housings opposite from said one.
side edges are also open, and further comprising:
'5 a first base for supporting said first housings;
a plurality of support pins extending from one surface of said first base, said support pins being adapted to extend into said open other ends of said channels for support of said first housings;
10 a second base for supporting said second housings; and
a plurality of support pins extending from one surface of said second base, said support pins being adapted to
extend into said open other ends of said channels for support of said second housings.

rece ve y e n ernat ona ureau on eptember 1982 (24.09.82)
original claims 2 to 39 are unchanged]
(amended)
1. A test fixture comprising:
an elongate, generally rectangular housing made from an insulating material having a plurality of parallel, spaced, at least partially open-sided channels extending perpendicular to the longitudinal dimension thereof, one longitudinal side edge of said housing lying in a given plane, the ends of said channels in said plane being open;
a plurality of conductive pins, individual ones of said pins being positioned in individual ones of said channels, said pins being movable in said channels and extending through said given plane;
an elongate, generally rectangular member positioned parallel to said housing, adjacent the open sides of said channels, one longitudinal side edge of said member being parallel to and adjacent said one side edge of said
housing, said member including a pattern of electrical leads; and
a plurality of parallel, spaced contacts positioned along said one side edge of said member, the spacing between said contacts being the same as the spacing between said channels whereby a contact is aligned with each of said channels, each of said contacts being electrically connected to a different one of said electrical leads and being positioned to contact a different one of said pins for completing an electrical circuit therebetween.

OMPI