SU83665A1 - A method of making electrical resistances with a negative temperature coefficient - Google Patents
A method of making electrical resistances with a negative temperature coefficientInfo
- Publication number
- SU83665A1 SU83665A1 SU342590A SU342590A SU83665A1 SU 83665 A1 SU83665 A1 SU 83665A1 SU 342590 A SU342590 A SU 342590A SU 342590 A SU342590 A SU 342590A SU 83665 A1 SU83665 A1 SU 83665A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- temperature coefficient
- negative temperature
- making electrical
- electrical resistances
- negative
- Prior art date
Links
Landscapes
- Hard Magnetic Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
Description
Известные способы изготовлени сопротивланпп с отрицательным температурным коэфф.ициентом обычно свод тс -к опрессойке пцд давлением смеси ИЗОЛЯЦИОННОГО м нрювод щего материала, однако они не .обеспечивают получени необходимого, достаточна большого отрлцательного температурного коэффициента.The known methods of making resistance with a negative temperature coefficient of the patient are usually reduced to pressure testing of the PSD with a mixture of INSULATING vibration material, but they do not provide the necessary, sufficiently large relative temperature coefficient.
Согласно предлагаемому спооэбу отпип,ательп1, телпер .ту- ibifi коэффициент сопроти1влеНИЙ, изгoтaвливлe ;ыx lio описыр/аемому способу , дохс1Д ит дю величины 2-3% на 1°.According to the proposed method, an otpip, aperp1, telper. Tut- ibifi coefficient conformed, manufactured, yo, lio to the descriptive / method, dahs1d and du of 2-3% by 1 °
Дл изготовлени со противланий ;в качестве основного rc o:bi-;iOio материала используетс 98-99% ма11 ет(итовой руды (гезО) и в чачестве св зующего (впослсйстви,и выгорающего) -.--2. речолытой ол(ты.For the manufacture of counterbalances; 98-99% of mantle (total ore (GeO) and as a binder (after burning)) are used as the main rc o: bi-; iOio material (and burnable) .
Указанна смесь прессуетс под да влением от ).2 до ( //гл;- ;; затем подвергаетс термической обработке ,до спека:ни5 в вакуумных ил)1 газовых срсаах при 150-250°.This mixture is pressed under the pressure from) .2 to (// ch; - ;; then subjected to heat treatment, before sintering: under 5 in vacuum or) 1 gas srs at 150-250 °.
В определенном интервале температур со; ро7ив.-1ени могут и-меть температурный коэффициент, по абсолютной величиж превосхоапщип температурные коэффициенты известных проводников ц полупроводников , и имеют удельное со1прютивлен|и.е при 16 в пределах ; 400 дo5.10 oлг/«fIn a certain temperature range co; Po.iv.-1eni may have a temperature coefficient, in absolute magnitude it exceeds the temperature coefficients of the known conductors of semiconductors and semiconductors, and they have a specific correlation | ie at 16 within; 400 to 5.10 Olga / "f
Г1 р с .1 л С Т И 3 О О ; г ; п /1Г1 р с .1 л С Т И 3 О О; g; p / 1
Способ изгоБОВленм электр:ических сопротивлений с отрицатель-и-лм температурным коэффициентом на базе использовани магнетитстоу руды, от л и ч а ю щи и с, тем, что, с целью почыпкчнч температурного коэффициента ,до величины 2-3% на 1°, смесь из магнет.нтовой руаы в количестве 98-99% и органической св зи в количестве --2% прессуют под давлен|ием 0,2-10 т/см- и спекают в вакуумной :и.;1и газовой среде при температуре, достаточной дл выгорани органической св зки.Electromagnetic resistance method with negative-and-lm temperature coefficient based on the use of magnetite ore, from l and h, and with the fact that, in order to obtain a temperature coefficient, to a value of 2-3% by 1 °, a mixture of magnet.nova rua in the amount of 98-99% and organic bond in the amount of -2% is pressed under pressure of 0.2-10 t / cm and is sintered in a vacuum: i.; 1 and gaseous medium at a temperature sufficient to burn organic binder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU342590A SU83665A1 (en) | 1938-11-23 | 1938-11-23 | A method of making electrical resistances with a negative temperature coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU342590A SU83665A1 (en) | 1938-11-23 | 1938-11-23 | A method of making electrical resistances with a negative temperature coefficient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU83665A1 true SU83665A1 (en) | 1949-11-30 |
Family
ID=48256533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU342590A SU83665A1 (en) | 1938-11-23 | 1938-11-23 | A method of making electrical resistances with a negative temperature coefficient |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU83665A1 (en) |
-
1938
- 1938-11-23 SU SU342590A patent/SU83665A1/en active
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