What is claimed is:
1. A heat-treated sliding bearing made of an age-hardened aluminum material comprising:
an aluminum material, wherein said aluminum material is artificially age-hardened for a time that is less than a time specified for reaching a maximum hardness; and
a coating of a thermoplastic resin, wherein said coating is placed on a surface of said aluminum material and is calcined.
2. The heat-treated sliding bearing of claim 1, wherein said artificial age-hardening treatment time is in a range between about 25% and about 75% of a time specified for reaching a maximum hardness of said aluminum material.
3. A heat-treated sliding bearing made of an age-hardened aluminum material comprising:
an aluminum material, wherein said aluminum material is artificially age-hardened for a time that is less than a time specified for reaching a maximum hardness; and
a coating of a solid lubrication material comprising a thermoplastic resin as a binder, wherein said coating is placed on a surface of said aluminum material and is calcined.
4. The heat-treated sliding bearing of claim 3, wherein said artificial age-hardening treatment time is in a range between about 25% and about 75% of a time specified for reaching a maximum hardness of said aluminum material.
5. A method of heat treating sliding bearings made of an age-hardened aluminum material comprising the steps of:
age-hardening an aluminum material for a time that is less than a time specified for reaching a maximum hardness of said aluminum material;
coating said aluminum material with a substance; and
calcining said substance.
6. The method of claim 5, wherein said substance is a thermoplastic resin.
7. The method of claim 5, wherein said substance is a solid lubrication material comprising a thermoplastic resin as a binder.
8. The method of claim 5, wherein said age-hardening time is less than 75% of said time specified for reaching a maximum hardness.
9. The method of claim 5, wherein said age-hardening time is more than 25% of said time specified for reaching a maximum hardness.
10. A heat-treated sliding bearing made according to the method of claim 5.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A feedthrough assembly, comprising:
a ferrule;
an insulating structure; and
a glass seal fixedly securing the insulating structure within the ferrule, the glass seal comprising:
about 30% B2O3;
about 30% to about 40% of a member selected from the group consisting of CaO, MgO, SrO, and combinations thereof, with the proviso that the individual amounts of CaO and MgO are each not greater than about 20%;
about 5% La2O3;
about 10% SiO2; and
about 15% Al2O3,
wherein all percentages are mole percentages.
2. The feedthrough assembly of claim 1, further comprising at least one terminal pin, wherein the insulating structure comprises a top portion, a bottom portion, and an inner diameter portion, wherein the inner diameter portion defines at least one aperture extending from the top portion to the bottom portion, and wherein the at least one terminal pin extends through the at least one aperture.
3. The feedthrough assembly of claim 2, wherein the glass seal further comprises up to about 10% of MnO2.
4. The feedthrough assembly of claim 2, wherein the glass seal comprises about 30% B2O3, about 20% CaO, about 20% MgO, about 5% La2O3, about 10% SiO2, and about 15% Al2O3.
5. The feedthrough assembly of claim 2, further comprising a second glass seal sealing the at least one terminal pin with the insulating structure.
6. The feedthrough assembly of claim 2, further comprising a gold braze sealing the at least one terminal pin with the insulating structure.
7. The feedthrough assembly of claim 1, wherein the ferrule includes a wall portion and a ledge, the insulating structure abuts the ledge, and the glass seal fixedly secures the insulating structure to the wall portion.
8. The feedthrough assembly of claim 1, wherein the glass seal further comprises up to about 10% of MnO2.
9. The feedthrough assembly of claim 1, wherein the glass seal comprises about 30% B2O3, about 20% CaO, about 20% MgO, about 5% La2O3, about 10% SiO2, and about 15% Al2O3.
10. The feedthrough assembly of claim 1, wherein softening or melting a glass preform forms the glass seal.
11. A method of manufacturing a feedthrough assembly, comprising:
providing a ferrule;
inserting an insulating structure within the ferrule; and
forming a glass seal that fixedly secures the insulating structure within the ferrule, the glass seal comprising:
about 30% B2O3;
about 30% to about 40% of a member selected from the group consisting of CaO, MgO, SrO, and combinations thereof, with the proviso that the individual amounts of CaO and MgO are each not greater than about 20%;
about 5% La2O3;
about 10% SiO2; and
about 15% Al2O3,
wherein all percentages are mole percentages.
12. The method of claim 11, further comprising inserting at least one terminal pin into at least one aperture of the insulating structure, wherein the insulating structure comprises a top portion, a bottom portion, and an inner diameter portion, and wherein the inner diameter portion defines the at least one aperture that extends from the top portion to the bottom portion.
13. The method of claim 12, wherein the glass seal further comprises up to about 10% of MnO2.
14. The method of claim 12, wherein the glass seal comprises about 30% B2O3, about 20% CaO, about 20% MgO, about 5% La2O3, about 10% SiO2, and about 15% Al2O3.
15. The method of claim 12, further comprising forming a second glass seal that seals the at least one terminal pin with the insulating structure.
16. The method of claim 12, further comprising forming a gold braze seal that seals the at least one terminal pin with the insulating structure.
17. The method of claim 11, wherein the ferrule includes a wall portion and a ledge, the insulating structure abuts the ledge, and the glass seal fixedly secures the insulating structure to the wall portion.
18. The method of claim 11, wherein the glass seal further comprises up to about 10% of MnO2.
19. The method of claim 11, wherein the glass seal comprises about 30% B2O3, about 20% CaO, about 20% MgO, about 5% La2O3, about 10% SiO2, and about 15% Al2O3.
20. The method of claim 11, wherein forming the glass seal that fixedly secures the insulating structure within the ferrule comprises softening or melting a glass preform.
21. A feedthrough assembly, comprising:
a ferrule;
an insulating structure comprising a top portion, a bottom portion, and an inner diameter portion, wherein the inner diameter portion defines at least one aperture extending from the top portion to the bottom portion;
at least one terminal pin extending through the at least one aperture; and
a glass seal fixedly securing the at least one terminal pin with the insulating structure, the glass seal comprising:
about 30% B2O3;
about 30% to about 40% of a member selected from the group consisting of CaO, MgO, SrO, and combinations thereof, with the proviso that the individual amounts of CaO and MgO are each not greater than about 20%;
about 5% La2O3;
about 10% SiO2; and
about 15% Al2O3,
wherein all percentages are mole percentages.
22. The feedthrough assembly of claim 21, wherein the glass seal further comprises up to about 10% of MnO2.
23. The feedthrough assembly of claim 21, wherein the glass seal comprises about 30% B2O3, about 20% CaO, about 20% MgO, about 5% La2O3, about 10% SiO2, and about 15% Al2O3.
24. The feedthrough assembly of claim 21, further comprising a second glass seal fixedly securing the insulating structure within the ferrule.
25. The feedthrough assembly of claim 24, wherein the second glass seal comprises:
about 30% B2O3;
about 30% to about 40% of a member selected from the group consisting of CaO, MgO, SrO, and combinations thereof, with the proviso that the individual amounts of CaO and MgO are each not greater than about 20%;
about 5% La2O3;
about 10% SiO2; and
about 15% Al2O3,
wherein all percentages are mole percentages.
26. The feedthrough assembly of claim 25, wherein the second glass seal further comprises up to about 10% of MnO2.
27. The feedthrough assembly of claim 25, wherein the second glass seal comprises about 30% B2O3, about 20% CaO, about 20% MgO, about 5% La2O3, about 10% SiO2, and about 15% Al2O3.
28. The feedthrough assembly of claim 24, wherein the ferrule includes a wall portion and a ledge, the insulating structure abuts the ledge, and the second glass seal fixedly secures the insulating structure to the wall portion.
29. The feedthrough assembly of claim 21, further comprising a gold braze fixedly securing the insulating structure within the ferrule.
30. The feedthrough assembly of claim 21, wherein softening or melting a glass preform forms the glass seal.