CN201478422U - Aluminum nitride attenuation sheet - Google Patents
Aluminum nitride attenuation sheet Download PDFInfo
- Publication number
- CN201478422U CN201478422U CN2009201632963U CN200920163296U CN201478422U CN 201478422 U CN201478422 U CN 201478422U CN 2009201632963 U CN2009201632963 U CN 2009201632963U CN 200920163296 U CN200920163296 U CN 200920163296U CN 201478422 U CN201478422 U CN 201478422U
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- resistive element
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Abstract
The utility model discloses an aluminum nitride attenuation sheet, belonging to the standard element used in the microwave radio-frequency field. The aluminum nitride attenuation sheet comprises a ceramic matrix, a ceramic sealing cap and a mounting flange, wherein the ceramic matrix is fixedly connected on the mounting flange; the ceramic matrix adopts the aluminum nitride ceramic matrix; a resistance body made of resistance paste and a conductor made of conductor paste are connected between the ceramic matrix and the ceramic sealing cap; the resistance body comprises an isolated main resistance body; and the main resistance body is respectively and electrically connected with a first lead wire and a second lead wire by the conductor. In the utility model, the distributed structure of the aluminum nitride attenuation sheet is convenient for heat dissipation and can be made into the high-power attenuation sheet.
Description
Technical field
The utility model relates to the standard components and parts that use in a kind of microwave radio field, relates in particular to a kind of aluminium nitride attenuator.
Background technology
Radio-frequency resistance is widely used in the microwave radio field, because the attenuation characteristic of attenuator can be subjected to Temperature Influence, therefore, in order to guarantee that attenuator has stability preferably, need have thermal diffusivity preferably, the structure of existing attenuator is relatively concentrated, therefore is not easy to heat radiation.
The utility model content
The purpose of this utility model is to solve the shortcoming that existing attenuator exists, and a kind of attenuator of being convenient to dispel the heat is provided.
The technical scheme that the utility model adopted is: a kind of aluminium nitride attenuator, comprise ceramic matrix, ceramic sealing cap and mounting flange, and described ceramic matrix is fixedly connected on the mounting flange; It is characterized in that: described ceramic matrix is the aluminium nitride ceramics matrix; The conductor that resistive element that resistance slurry forms and conductor paste form is connected between described ceramic matrix and the ceramic sealing cap; Described resistive element comprises isolated main resistor body, and described main resistor body is electrically connected with first lead-in wire and second lead-in wire respectively by described conductor.
Preferably, described resistive element also comprises the first secondary resistive element and the second secondary resistive element, and described conductor comprises first branch conductors, second branch conductors, first conductor and second conductor; Described main resistor body is electrically connected with first lead-in wire in the branch of a side by first branch conductors, and a branch by second branch conductors is electrically connected with second lead-in wire at opposite side; The described first secondary resistive element is electrically connected with first lead-in wire in a side another branch by first branch conductors, is electrically connected with first conductor at opposite side, and described first conductor is the position ground connection that is not electrically connected with the first secondary resistive element; The described second secondary resistive element is electrically connected with the main resistor body in a side another branch by second branch conductors, is electrically connected with second conductor at opposite side, and described second conductor is the position ground connection that is not electrically connected with the second secondary resistive element.
Preferably, described first and second conductors are vertical strip, lay respectively at the both sides of ceramic matrix, the outward flange of described first conductor is concordant with an outward flange of ceramic matrix, and another outward flange of the outward flange of described second conductor and ceramic matrix closes on.
Preferably, the length of described first conductor and second conductor equates with the width of ceramic matrix.
The beneficial effects of the utility model are: aluminium nitride attenuator described in the utility model, its resistive element are provided with an isolated main resistor body, a part of input radio frequency signal that is used to decay, and the signal after will decaying is by the second lead-in wire output; In addition, shunt a part of input radio frequency signal by secondary resistive element is set, therefore can obtain stronger attenuation under the less situation of each separating part resistance of resistive element, this kind distributing is provided with and is beneficial to heat radiation.
Description of drawings
Fig. 1 is the blast structural representation of aluminium nitride attenuator described in the utility model;
Fig. 2 is the syndeton schematic diagram of aluminium nitride attenuator shown in Figure 1.
Embodiment
Now in conjunction with the accompanying drawings embodiment of the present utility model is described in detail.
A kind of aluminium nitride attenuator comprises ceramic matrix 5, ceramic sealing cap 1 and mounting flange 6, and described ceramic matrix 5 is fixedly connected on the mounting flange 6.Described ceramic matrix 5 is the aluminium nitride ceramics matrix.The conductor 3 that resistive element 4 that resistance slurry forms and conductor paste form is connected between described ceramic matrix 5 and the ceramic sealing cap 1.Described resistive element 4 as shown in Figure 2, comprise isolated main resistor body 43, described main resistor body 43 is electrically connected with first lead-in wire, 21 and second lead-in wire 22 respectively by described conductor 3, and wherein first lead-in wire, 21 and second lead-in wire 22 is respectively applied for input/output signal and output/input signal.
As shown in Figure 2, described resistive element 4 also comprises the first secondary resistive element 41 and the second secondary resistive element 42, and described conductor 4 comprises first branch conductors 32, second branch conductors 33, first conductor 31 and second conductor 34.Described main resistor body 43 is electrically connected with first lead-in wire 21 in the branch of a side by first branch conductors 32, and a branch by second branch conductors 33 is electrically connected with second lead-in wire 22 at opposite side.The described first secondary resistive element 41 is electrically connected with another branch and first lead-in wire 21 by first branch conductors 32 in a side, is electrically connected with first conductor 31 at opposite side, and described first conductor 31 is the position ground connection that is not electrically connected with the first secondary resistive element 41.The described second secondary resistive element 42 is electrically connected with main resistor body 43 in a side another branch by second branch conductors 33, is electrically connected with second conductor 34 at opposite side, and described second conductor 34 is the position ground connection that is not electrically connected with the second secondary resistive element 42.
Wherein, described first conductor 31 and second conductor 34 can be vertical strip, lay respectively at the both sides of ceramic matrix 5, the outward flange of described first conductor 31 can be concordant with an outward flange of ceramic matrix 5, and the outward flange of described second conductor 34 can approach another outward flange of ceramic matrix 5.
The length of described first conductor 31 and second conductor 34 can equate with the width of ceramic matrix 5.
Two branches of described first branch conductors 32 and second branch conductors 33 can be perpendicular to one another.
Being the utility model preferred embodiment only in sum, is not to be used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should belong to technology category of the present utility model.
Claims (4)
1. an aluminium nitride attenuator comprises ceramic matrix, ceramic sealing cap and mounting flange, and described ceramic matrix is fixedly connected on the mounting flange; It is characterized in that: described ceramic matrix is the aluminium nitride ceramics matrix; The conductor that resistive element that resistance slurry forms and conductor paste form is connected between described ceramic matrix and the ceramic sealing cap; Described resistive element comprises isolated main resistor body, and described main resistor body is electrically connected with first lead-in wire and second lead-in wire respectively by described conductor.
2. a kind of aluminium nitride attenuator according to claim 1 is characterized in that: described resistive element also comprises the first secondary resistive element and the second secondary resistive element, and described conductor comprises first branch conductors, second branch conductors, first conductor and second conductor; Described main resistor body is electrically connected with first lead-in wire in the branch of a side by first branch conductors, and a branch by second branch conductors is electrically connected with second lead-in wire at opposite side; The described first secondary resistive element is electrically connected with first lead-in wire in a side another branch by first branch conductors, is electrically connected with first conductor at opposite side, and described first conductor is the position ground connection that is not electrically connected with the first secondary resistive element; The described second secondary resistive element is electrically connected with the main resistor body in a side another branch by second branch conductors, is electrically connected with second conductor at opposite side, and described second conductor is the position ground connection that is not electrically connected with the second secondary resistive element.
3. a kind of aluminium nitride attenuator according to claim 2, it is characterized in that: described first and second conductors are vertical strip, lay respectively at the both sides of ceramic matrix, the outward flange of described first conductor is concordant with an outward flange of ceramic matrix, and another outward flange of the outward flange of described second conductor and ceramic matrix closes on.
4. a kind of aluminium nitride attenuator according to claim 3 is characterized in that: the length of described first conductor and second conductor equates with the width of ceramic matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201632963U CN201478422U (en) | 2009-07-02 | 2009-07-02 | Aluminum nitride attenuation sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201632963U CN201478422U (en) | 2009-07-02 | 2009-07-02 | Aluminum nitride attenuation sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201478422U true CN201478422U (en) | 2010-05-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201632963U Expired - Fee Related CN201478422U (en) | 2009-07-02 | 2009-07-02 | Aluminum nitride attenuation sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201478422U (en) |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332628A (en) * | 2011-07-22 | 2012-01-25 | 苏州市新诚氏电子有限公司 | 100-watt 30dB high-power attenuator of aluminum nitride ceramic substrate |
| CN102332627A (en) * | 2011-07-22 | 2012-01-25 | 苏州市新诚氏电子有限公司 | 20W 20dB attenuation sheet of high-power aluminum nitride ceramic substrate |
| CN102354784A (en) * | 2011-08-25 | 2012-02-15 | 苏州市新诚氏电子有限公司 | Large power aluminum nitride ceramic substrate 100 watt 30 dB attenuation plate |
| CN102361141A (en) * | 2011-09-20 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 200W 30dB attenuation sheet of aluminum nitride ceramic substrate |
| CN102361134A (en) * | 2011-09-16 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 30W-10dB attenuation plate of aluminium nitride ceramic substrate |
| CN102361133A (en) * | 2011-09-16 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 20W and 2dB attenuator with aluminium nitride ceramic baseplate |
| CN102361125A (en) * | 2011-09-08 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 20W1dB attenuating piece of aluminium nitride ceramic substrate |
| CN102361140A (en) * | 2011-09-20 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 150W-20dB attenuator with high-power aluminium nitride ceramic baseplate |
| CN102361132A (en) * | 2011-09-16 | 2012-02-22 | 苏州市新诚氏电子有限公司 | Large-power 100 W-9 dB attenuation sheet with aluminum nitride ceramic substrate |
| CN102361122A (en) * | 2011-09-08 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 30W-10dB attenuation plate of aluminium nitride ceramic substrate |
| CN102361124A (en) * | 2011-09-08 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 30W3dB attenuating piece of aluminium nitride ceramic substrate |
| CN102361123A (en) * | 2011-09-08 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 20W3dB attenuating piece of aluminium nitride ceramic substrate |
| CN102361139A (en) * | 2011-09-20 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 30W and 20dB attenuator with aluminium nitride ceramic baseplate |
| CN102361129A (en) * | 2011-09-08 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 20W and 9dB attenuator with aluminium nitride ceramic baseplate |
| CN102427153A (en) * | 2011-09-08 | 2012-04-25 | 苏州市新诚氏电子有限公司 | Aluminum nitride ceramic substrate 30 watt 6dB attenuation plate |
| CN102709655A (en) * | 2012-06-29 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 30w 24dB attenuating plate of aluminum nitride ceramic substrate |
| CN102709652A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 1-watt 17dB attenuation sheet of aluminum oxide ceramic substrate |
| CN102709653A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 1w 10dB attenuating plate for aluminum oxide ceramic substrate |
| CN102709637A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | Aluminum oxide ceramic substrate 1W 29dB attenuation sheet |
| CN102709654A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 1-watt 1dB attenuation sheet of aluminum oxide ceramic substrate |
| CN102709656A (en) * | 2012-06-29 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 30w 28dB attenuating plate with symmetrical bonding pads |
| CN102723558A (en) * | 2012-06-28 | 2012-10-10 | 苏州市新诚氏电子有限公司 | 1W-25dB ceramic base plate attenuation sheet |
| CN102723556A (en) * | 2012-06-28 | 2012-10-10 | 苏州市新诚氏电子有限公司 | 30-watt 30dB attenuator for aluminum nitride ceramic substrate |
| CN102723545A (en) * | 2012-06-28 | 2012-10-10 | 苏州市新诚氏电子有限公司 | 30-watt 7dB attenuator for aluminum nitride ceramic substrate |
| CN104218292A (en) * | 2014-05-29 | 2014-12-17 | 苏州市新诚氏电子有限公司 | 2dB attenuator with 100w power capacity |
| CN104241760A (en) * | 2014-05-28 | 2014-12-24 | 苏州市新诚氏电子有限公司 | 12 dB attenuation piece with power being 100 W |
| CN105703045A (en) * | 2014-11-28 | 2016-06-22 | 北京大学 | Microwave attenuator |
-
2009
- 2009-07-02 CN CN2009201632963U patent/CN201478422U/en not_active Expired - Fee Related
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332628A (en) * | 2011-07-22 | 2012-01-25 | 苏州市新诚氏电子有限公司 | 100-watt 30dB high-power attenuator of aluminum nitride ceramic substrate |
| CN102332627A (en) * | 2011-07-22 | 2012-01-25 | 苏州市新诚氏电子有限公司 | 20W 20dB attenuation sheet of high-power aluminum nitride ceramic substrate |
| CN102354784A (en) * | 2011-08-25 | 2012-02-15 | 苏州市新诚氏电子有限公司 | Large power aluminum nitride ceramic substrate 100 watt 30 dB attenuation plate |
| CN102427153A (en) * | 2011-09-08 | 2012-04-25 | 苏州市新诚氏电子有限公司 | Aluminum nitride ceramic substrate 30 watt 6dB attenuation plate |
| CN102361125A (en) * | 2011-09-08 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 20W1dB attenuating piece of aluminium nitride ceramic substrate |
| CN102361129A (en) * | 2011-09-08 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 20W and 9dB attenuator with aluminium nitride ceramic baseplate |
| CN102361122A (en) * | 2011-09-08 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 30W-10dB attenuation plate of aluminium nitride ceramic substrate |
| CN102361124A (en) * | 2011-09-08 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 30W3dB attenuating piece of aluminium nitride ceramic substrate |
| CN102361123A (en) * | 2011-09-08 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 20W3dB attenuating piece of aluminium nitride ceramic substrate |
| CN102361134A (en) * | 2011-09-16 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 30W-10dB attenuation plate of aluminium nitride ceramic substrate |
| CN102361133A (en) * | 2011-09-16 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 20W and 2dB attenuator with aluminium nitride ceramic baseplate |
| CN102361132A (en) * | 2011-09-16 | 2012-02-22 | 苏州市新诚氏电子有限公司 | Large-power 100 W-9 dB attenuation sheet with aluminum nitride ceramic substrate |
| CN102361139A (en) * | 2011-09-20 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 30W and 20dB attenuator with aluminium nitride ceramic baseplate |
| CN102361140A (en) * | 2011-09-20 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 150W-20dB attenuator with high-power aluminium nitride ceramic baseplate |
| CN102361141A (en) * | 2011-09-20 | 2012-02-22 | 苏州市新诚氏电子有限公司 | 200W 30dB attenuation sheet of aluminum nitride ceramic substrate |
| CN102709654A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 1-watt 1dB attenuation sheet of aluminum oxide ceramic substrate |
| CN102709652A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 1-watt 17dB attenuation sheet of aluminum oxide ceramic substrate |
| CN102709653A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 1w 10dB attenuating plate for aluminum oxide ceramic substrate |
| CN102709637A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | Aluminum oxide ceramic substrate 1W 29dB attenuation sheet |
| CN102723558A (en) * | 2012-06-28 | 2012-10-10 | 苏州市新诚氏电子有限公司 | 1W-25dB ceramic base plate attenuation sheet |
| CN102723556A (en) * | 2012-06-28 | 2012-10-10 | 苏州市新诚氏电子有限公司 | 30-watt 30dB attenuator for aluminum nitride ceramic substrate |
| CN102723545A (en) * | 2012-06-28 | 2012-10-10 | 苏州市新诚氏电子有限公司 | 30-watt 7dB attenuator for aluminum nitride ceramic substrate |
| CN102709655A (en) * | 2012-06-29 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 30w 24dB attenuating plate of aluminum nitride ceramic substrate |
| CN102709656A (en) * | 2012-06-29 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 30w 28dB attenuating plate with symmetrical bonding pads |
| CN104241760A (en) * | 2014-05-28 | 2014-12-24 | 苏州市新诚氏电子有限公司 | 12 dB attenuation piece with power being 100 W |
| CN104218292A (en) * | 2014-05-29 | 2014-12-17 | 苏州市新诚氏电子有限公司 | 2dB attenuator with 100w power capacity |
| CN105703045A (en) * | 2014-11-28 | 2016-06-22 | 北京大学 | Microwave attenuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20170702 |