GB814914A - Improvements in or relating to resistors and resistor materials - Google Patents
Improvements in or relating to resistors and resistor materialsInfo
- Publication number
- GB814914A GB814914A GB464057A GB464057A GB814914A GB 814914 A GB814914 A GB 814914A GB 464057 A GB464057 A GB 464057A GB 464057 A GB464057 A GB 464057A GB 814914 A GB814914 A GB 814914A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mixture
- powder
- molybdenum disilicide
- particles
- sintered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
Abstract
814,914. Ceramic compositions. PLESSEY CO. Ltd. Feb. 18, 1958 [Feb. 11, 1957, May 15, 1957], Nos. 4640/57 and 15369/57. Class 22. [Also in Groups XI and XXXVI] An electrical resistor described in (Group XXXVI) comprises a resistive body consisting of a compact sintered mixture of molybdenum disilicide particles and alumina particles of such mixture ratio as would normally result in the material being an insulator wherein the insulation between adjacent molybdenum disilicide particles is bridged resistively by the incorporation of elemental carbon in the sintered mixture. In the embodiment described alumina powder is heated in oxygen-free nitrogen and the nitrogen is then replaced by methane which causes carbon to be deposited on each particle of the powder. The powder is then allowed to cool in oxygen free nitrogen and when cooled is mixed with the molybdenum disilicide in a ball mill. The mixture thus obtained is then sintered and the resulting structure of the hot pressed material is as shown in Fig. 1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB464057A GB814914A (en) | 1957-02-11 | 1957-02-11 | Improvements in or relating to resistors and resistor materials |
| FR1198786D FR1198786A (en) | 1957-02-11 | 1958-02-10 | Electrical resistance and its manufacturing process |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB464057A GB814914A (en) | 1957-02-11 | 1957-02-11 | Improvements in or relating to resistors and resistor materials |
| GB1536957 | 1957-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB814914A true GB814914A (en) | 1959-06-17 |
Family
ID=31948013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB464057A Expired GB814914A (en) | 1957-02-11 | 1957-02-11 | Improvements in or relating to resistors and resistor materials |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1198786A (en) |
| GB (1) | GB814914A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0280819A2 (en) * | 1987-02-28 | 1988-09-07 | Taiyo Yuden Co., Ltd. | Electrical resistors, electrical resistors paste and method for making the same |
-
1957
- 1957-02-11 GB GB464057A patent/GB814914A/en not_active Expired
-
1958
- 1958-02-10 FR FR1198786D patent/FR1198786A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0280819A2 (en) * | 1987-02-28 | 1988-09-07 | Taiyo Yuden Co., Ltd. | Electrical resistors, electrical resistors paste and method for making the same |
| EP0280819A3 (en) * | 1987-02-28 | 1990-03-21 | Taiyo Yuden Co., Ltd. | Electrical resistors, electrical resistors paste and method for making the same |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1198786A (en) | 1959-12-09 |
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