CN104241780A - 2W aluminum oxide ceramic substrate attenuation slice - Google Patents
2W aluminum oxide ceramic substrate attenuation slice Download PDFInfo
- Publication number
- CN104241780A CN104241780A CN201410235304.6A CN201410235304A CN104241780A CN 104241780 A CN104241780 A CN 104241780A CN 201410235304 A CN201410235304 A CN 201410235304A CN 104241780 A CN104241780 A CN 104241780A
- Authority
- CN
- China
- Prior art keywords
- attenuation
- slice
- ceramic
- wire
- attenuator
- 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.)
- Pending
Links
Abstract
The invention discloses a 2W aluminum oxide ceramic substrate attenuation slice. The power of the ceramic attenuation slice is 2 W, the attenuation value of the ceramic attenuation slice is 15 dB, a silver paste back conductor layer is printed on the reverse side of the ceramic attenuation slice, a wire and a bonding pad are printed on the obverse side of the ceramic attenuation slice, the back conductor layer, the wire and the bonding pad need to be metalized at high temperature, the wire is formed by connecting film type resistors, and an attenuation circuit is formed. Electrosilvering processing needs to be carried out on the ceramic attenuation slice so that the silver layer can be protected and the solderability can be improved. According to the scheme design of the attenuation slice, various performance indexes are taken into consideration sufficiently, the attenuation slice is high in frequency and noninductive, the situation that attenuation slices can only be applied to low frequency in the prior art is avoided, the application requirements of a 3G network can be met, and meanwhile the series product line of 2W fixing film type resistance-type attenuation slices is extended.
Description
Technical field
The present invention relates to a kind of aluminium oxide ceramics attenuator, particularly a kind of 2 watts of aluminium oxide ceramic substrate attenuators.
Background technology
The attenuator being integrated with five membranaceous resistive arrangement is at present widely used in the apparatus field such as Aeronautics and Astronautics, radar, radio station, broadcast communication.Working load sheet merely can only consume and absorb unnecessary power; and the signal using attenuator can also extract needs at the power absorbing oppositely input is analyzed simultaneously; and on high-frequency circuit, adjust power level, decoupling, protective effect is served to relevant device.
Due to the external research and development to like product and manufacture than domestic start to walk Zao, status that product line or product performance are all had the advantage.On domestic market, existing attenuator attenuation accuracy is low simultaneously, and the frequency range relative narrower that can use.The attenuator that we wish is a power consumption component, can not have impact to two terminal circuits, that is, all mates with two terminal circuits.When attenuation accuracy or VSWR do not reach require time, the signal that output obtains does not meet actual requirement.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved in the present invention is to provide a kind of impedance and meets 53.2 ± 3% Ω, within 3G frequency range, attenuation accuracy is 15 ± 0.6dB, standing wave requires that input, output are within 1.25, the ceramic substrate attenuator that the application that can meet current 3G network requires, its power is 2 watts, and its pad value is 15dB, replace same kind of products at abroad, and characteristically fill up the blank of home products.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of 2 watts of aluminium oxide ceramic substrate attenuators, the power of described ceramic attenuator sheet is 2 watts, the pad value of described ceramic attenuator sheet is 15dB, described ceramic attenuator sheet back up has silver slurry back of the body conducting shell front to be printed with wire and pad, the affiliated conductor layer and described wire and pad carried on the back need carry out high temperature metallization, affiliated wire is formed by connecting by membranaceous resistance, forms attenuator circuit.Described ceramic attenuator sheet needs to carry out electrosilvering process, to protect silver layer and to improve solderability.
Preferably, described attenuator circuit silver slurry layer and electrosilvering interlayer are connected by electroless nickel layer, improve the adhesion of plating silver layer.
Preferably, two pads of described attenuator circuit are printed by high temperature silver slurry and are sintered and form.
Technique scheme has following beneficial effect: these 2 watts of aluminium oxide ceramic substrate attenuators, power is 2w, pad value is 15dB, adopt symmetry circuit design, make this small product size little, frequency characteristic is good, and the stability of circuit gets a promotion, break the situation that original attenuator can only be applied to low frequency, make attenuator can be applied to the network of 2G-3G.The production of the microwave products such as apparatus field isolator, circulator such as Aeronautics and Astronautics, radar, radio station, broadcast communication can be widely used in.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in Figure 1, these 2 watts of aluminium oxide ceramic substrate attenuators comprise an aluminum oxide substrate 1, the back up of aluminum oxide substrate 1 has silver slurry back of the body conducting shell, the front of aluminum oxide substrate 1 is printed with wire 2 and membranaceous resistance R1, R2, R3, R4, R5, membranaceous resistance R1, R2, R3, R4, R5 are connected to form attenuator circuit by wire, attenuator circuit is electrically connected with back of the body conducting shell by silver slurry, thus makes attenuator circuit earth-continuity.This attenuator circuit is symmetrical along the center line of aluminum oxide substrate; membranaceous resistance R1, R2, R3, R4, R5 are printed with glass protection film 3; the upper surface of wire 2 and glass protection film 3 is also printed with one deck black protective film 4, can form protection like this to wire 2 and membranaceous resistance R1, R2, R3, R4, R5.
These 2 watts of aluminium oxide ceramic substrate attenuators, power is 2w, and pad value is 15dB, requires that the impedance of input and ground connection is 53.2 ± 3% Ω, and the impedance of output and ground is 53.2 ± 3% Ω.Signal input part enters attenuator, through membranaceous resistance R1, R2, R5, R3, R4 progressively absorption to power, exports the signal required for reality from output.
These 2 watts of aluminium oxide ceramic substrate attenuators, power is 2w, pad value is 15dB, adopt symmetry circuit design, make this small product size little, frequency characteristic is good, and the stability of circuit gets a promotion, break the situation that original attenuator can only be applied to low frequency, make attenuator can be applied to the network of 2G-3G.The production of the microwave products such as apparatus field isolator, circulator such as Aeronautics and Astronautics, radar, radio station, broadcast communication can be widely used in.
Above one 2 watts of aluminium oxide ceramic substrate attenuators that the embodiment of the present invention provides are described in detail; for one of ordinary skill in the art; according to the thought of the embodiment of the present invention; all will change in specific embodiments and applications; in sum; this description should not be construed as limitation of the present invention, and all any changes made according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (3)
1. 2 watts of aluminium oxide ceramic substrate attenuators, it is characterized in that: the power of described ceramic attenuator sheet is 2 watts, the pad value of described ceramic attenuator sheet is 15dB, described ceramic attenuator sheet back up has silver slurry back of the body conducting shell front to be printed with wire and pad, the affiliated conductor layer and described wire and pad carried on the back need carry out high temperature metallization, affiliated wire is formed by connecting by membranaceous resistance, forms attenuator circuit.Described ceramic attenuator sheet needs to carry out electrosilvering process, to protect silver layer and to improve solderability.
2. 2 watts of aluminium oxide ceramic substrate attenuators according to claim 1, is characterized in that: described attenuator circuit silver slurry layer and electrosilvering interlayer are connected by electroless nickel layer, improve the adhesion of plating silver layer.
3. 2 watts of aluminium oxide ceramic substrate attenuators according to claim 1, is characterized in that: two pads of described attenuator circuit are printed by high temperature silver slurry and sintered and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235304.6A CN104241780A (en) | 2014-05-29 | 2014-05-29 | 2W aluminum oxide ceramic substrate attenuation slice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235304.6A CN104241780A (en) | 2014-05-29 | 2014-05-29 | 2W aluminum oxide ceramic substrate attenuation slice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104241780A true CN104241780A (en) | 2014-12-24 |
Family
ID=52229432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410235304.6A Pending CN104241780A (en) | 2014-05-29 | 2014-05-29 | 2W aluminum oxide ceramic substrate attenuation slice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104241780A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4349792A (en) * | 1978-07-14 | 1982-09-14 | Kings Electronics Co., Inc. | Pi pad attenuator |
| CN102709644A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 1w 28DB attenuating plate for high heat-conductivity aluminum oxide 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 |
| CN102723559A (en) * | 2012-06-28 | 2012-10-10 | 苏州市新诚氏电子有限公司 | Ceramic substrate attenuator |
-
2014
- 2014-05-29 CN CN201410235304.6A patent/CN104241780A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4349792A (en) * | 1978-07-14 | 1982-09-14 | Kings Electronics Co., Inc. | Pi pad attenuator |
| CN102709644A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 1w 28DB attenuating plate for high heat-conductivity aluminum oxide 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 |
| CN102723559A (en) * | 2012-06-28 | 2012-10-10 | 苏州市新诚氏电子有限公司 | Ceramic substrate attenuator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102709631A (en) | 30W 13db aluminum nitride ceramic substrate attenuation slice | |
| CN102709641A (en) | 1-watt 2dB attenuation sheet of high-precision aluminum oxide ceramic substrate | |
| CN102723554A (en) | 1-watt 5dB attenuation piece for aluminum oxide ceramic substrate | |
| CN203950895U (en) | 10 watts of 18dB attenuators of high frequency aluminium nitride ceramics | |
| CN104241780A (en) | 2W aluminum oxide ceramic substrate attenuation slice | |
| CN102723559A (en) | Ceramic substrate attenuator | |
| CN203481350U (en) | Beryllia ceramic plate 5W3db attenuation sheet | |
| CN102723549A (en) | 1-watt 22dB attenuation piece for aluminum oxide ceramic substrate | |
| CN102738545A (en) | Aluminum oxide ceramic substrate attenuation sheet with power of 1watt (W) and attenuation accuracy of 6dB | |
| CN102709654A (en) | 1-watt 1dB attenuation sheet of aluminum oxide ceramic substrate | |
| CN102709643A (en) | 26dB attenuation sheet with power of 1 watt | |
| CN104241766A (en) | 20 dB efficient attenuation piece with power being 2 W | |
| CN102723560A (en) | 1-watt 14dB attenuator for aluminum oxide ceramic substrate | |
| CN102709644A (en) | 1w 28DB attenuating plate for high heat-conductivity aluminum oxide ceramic substrate | |
| CN203950892U (en) | 2 watts of 6dB attenuators of high thermal conductance aluminium oxide ceramic substrate | |
| CN104241786A (en) | Small-size high-stability 10 W 25 dB aluminum nitride ceramic attenuation slice | |
| CN104241769A (en) | High-frequency and high-stability 10-watt 20dB attenuation plate with aluminum nitride ceramic substrate | |
| CN104241773A (en) | High-frequency aluminum nitride ceramic 10-watt 11dB attenuation plate | |
| CN102738544A (en) | Aluminum nitride ceramic 30W 23dB attenuation piece | |
| CN104241772A (en) | Voltage resistance aluminum oxide ceramic substrate 2-W 29-dB attenuation piece | |
| CN104241785A (en) | High-precision ceramic 10-watt 15dB attenuation plate | |
| CN104218293A (en) | High-frequency aluminum nitride 10w 18dB attenuator | |
| CN104218290A (en) | Ultrathin aluminum-oxide ceramic-substrate 2W-9dB attenuation piece | |
| CN102723555A (en) | 1-watt 3dB attenuator for aluminum oxide ceramic substrate | |
| CN104241757A (en) | 2-watt 6dB attenuation plate with high-thermal-conductivity aluminum oxide ceramic substrate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141224 |