CN105870569A - Method for stable installation of dielectric resonator in metal cavity - Google Patents
Method for stable installation of dielectric resonator in metal cavity Download PDFInfo
- Publication number
- CN105870569A CN105870569A CN201610288227.XA CN201610288227A CN105870569A CN 105870569 A CN105870569 A CN 105870569A CN 201610288227 A CN201610288227 A CN 201610288227A CN 105870569 A CN105870569 A CN 105870569A
- Authority
- CN
- China
- Prior art keywords
- dielectric resonator
- cavity
- metallic cavity
- dielectric
- locating slot
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/10—Dielectric resonators
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention relates to the field of radio frequency devices, and discloses a method for stable installation of a dielectric resonator in a metal cavity. According to the method, the dielectric resonator is welded in the metal cavity to achieve stable connection of the dielectric resonator and the metal cavity, the tensile property of the dielectric resonator is improved greatly, it is ensured that the dielectric resonator does not disengage easily after staying in a high-temperature high-moisture environment for a long time, and a finally produced dielectric cavity filter has the advantages of being high in reliability, wide in application range, long in service life and the like. Furthermore, the method is suitable for bulk production and can be applied to dielectric cavity filters of any feed types and other radio frequency devices requiring dielectric resonators to be installed in metal cavities, and can be practically used and popularized conveniently.
Description
Technical field
The present invention relates to radio-frequency devices field, in particular it relates to one is firm in metallic cavity installs dielectric resonator
Method.
Background technology
In present mobile communication technology, microwave radio device is the important component part in communication equipment, wherein, medium
Cavity body filter wafts with its high quality factor, small size, high selectivity, low temperature and the advantage such as high power capacity extensively apply with respectively
In class communication equipment, its critical component is the dielectric resonator being arranged in interior metal cavity.
Dielectric resonator mainly uses glue bonding with the type of attachment of metallic cavity at present, although this method has
Simply, easily operation and low cost and other advantages, but but have that steadiness is poor, cannot bear the most hot and humid shortcoming, make
The reliability and the application scenarios that obtain dielectric cavity fluid filter are all greatly limited.
Summary of the invention
For the connectivity problem of above-mentioned current dielectric resonator Yu metallic cavity, the invention provides a kind of in metallic cavity
In the firm method installing dielectric resonator, by using solder technology to be welded in metallic cavity by dielectric resonator, can be real
Firm connection the most between the two, is significantly increased the pull resistance of dielectric resonator, and guarantees at long-time hot and humid ring
Difficult drop-off under border, and then reliability is high, application scenarios is wide and service life to make the final dielectric cavity fluid filter prepared have
The advantages such as length.Additionally, described method is suitable for large batch of production, and be applicable to any feed form dielectric cavity fluid filter and
Other radio-frequency devices needing to install dielectric resonator in metallic cavity, it is simple to actual promotion and application.
The technical solution used in the present invention, it is provided that a kind of firm method installing dielectric resonator in metallic cavity,
Comprise the steps: that S101. installation site in metallic cavity offers the location that the support root with dielectric resonator coordinates
Groove；S102. in described locating slot, solder(ing) paste is filled；S103. the support root at described dielectric resonator plates welding
Metal level, and described support root is inserted in described locating slot；S104. described metallic cavity and dielectric resonator are carried out
Welding, makes solder(ing) paste in described locating slot melt, and it is bonding with described metallic cavity that finally cooling realizes described dielectric resonator.
Optimizing, described installation site is the bottom surface of described metallic cavity.
Optimizing, described metallic cavity is any one wire chamber being in dielectric cavity fluid filter, described dielectric cavity
Fluid filter includes multiple metallic cavity.
Optimizing, described dielectric cavity fluid filter is silver-plated box body structure, and described support root is silver coated.
Optimize, described in the metal layer thickness that is plated on described support root less than 0.1mm.
Optimizing, the degree of depth of described locating slot is between 0.3mm to 0.7mm.
Optimizing, described locating slot is any one in circular cell body, square cell body or regular polygon cell body.
Optimizing, described metallic cavity is any one in circular cavity, square cavity or regular polygon cavity.
To sum up, use the firm method installing dielectric resonator in metallic cavity provided by the present invention, have as follows
Beneficial effect: (1), by using solder technology to be welded in metallic cavity by dielectric resonator, can realize between the two is firm
Connect, the pull resistance of dielectric resonator is significantly increased, and guarantees difficult drop-off under long-time hot and humid environment；(2)
The final dielectric cavity fluid filter prepared can be made to have, and reliability is high, application scenarios is wide and the advantage such as length in service life；(3) described
Method is suitable for large batch of production, and be applicable to the dielectric cavity fluid filter of any feed form or other to need to install medium humorous
Shake the radio-frequency devices of device, it is simple to actual promotion and application.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the firm method flow diagram installing dielectric resonator in metallic cavity that the present invention provides.
Fig. 2 is bowing before application the inventive method that the present invention provides installs dielectric resonator in dielectric cavity fluid filter
TV structure schematic diagram.
Fig. 3 is the side before application the inventive method that the present invention provides installs dielectric resonator in dielectric cavity fluid filter
TV structure schematic diagram.
Fig. 4 is the side after application the inventive method that the present invention provides installs dielectric resonator in dielectric cavity fluid filter
TV structure schematic diagram.
In above-mentioned accompanying drawing: 1, dielectric cavity fluid filter 2, metallic cavity 3, locating slot 4, dielectric resonator 401, support
Root.
Detailed description of the invention
Hereinafter with reference to accompanying drawing, describe, by way of example, the firm peace in metallic cavity that the present invention provides in detail
The method of dress dielectric resonator.At this it should be noted that be adapted to assist in for the explanation of these way of example and understand this
Bright, but it is not intended that limitation of the invention.
Various technology described herein may be used for but is not limited to radio-frequency devices field, it is also possible to for other similar neck
Territory.
The terms "and/or", a kind of incidence relation describing affiliated partner, can there are three kinds of passes in expression
System, such as, A and/or B, can represent: individualism A, individualism B, there is tri-kinds of situations of A and B, the terms simultaneously
"/and " it is to describe another kind of affiliated partner relation, two kinds of relations, such as, A/ and B can be there are, can represent: individually deposit in expression
In two kinds of situations of A, individualism A and B, it addition, character "/" herein, typically represent forward-backward correlation and close liking a kind of "or"
System.
Embodiment one
Fig. 1 shows the firm method flow diagram installing dielectric resonator in metallic cavity that the present invention provides, and Fig. 2 shows
Application the inventive method that the present invention provides installs the plan structure schematic diagram before dielectric resonator in dielectric cavity fluid filter,
Fig. 3 shows that application the inventive method that the present invention provides installs the knot of the side-looking before dielectric resonator in dielectric cavity fluid filter
Structure schematic diagram, Fig. 4 shows that application the inventive method that the present invention provides installs dielectric resonator in dielectric cavity fluid filter
After side-looking structural representation.The described firm method installing dielectric resonator, the bag in metallic cavity that the present embodiment provides
Include following steps.
S101. the installation site in metallic cavity offers the locating slot that the support root with dielectric resonator coordinates.
In step S101, the support root of described dielectric resonator and the fit system of described locating slot can but do not limit
In coordinating for interference fit or interval, in order to the support root of described dielectric resonator can consolidate and be inserted in described locating slot
In, as an example, in the present embodiment, the support root of described dielectric resonator and the fit system of described locating slot are interval
Coordinate.Optimizing, described metallic cavity is any one wire chamber being in dielectric cavity fluid filter, and described medium cavity is filtered
Ripple device includes multiple metallic cavity.Described metallic cavity can be but not limited to as circular cavity, square cavity or the most polygon
Any one in the cavity body structures such as shape cavity.As in figure 2 it is shown, as an example, in the present embodiment, described medium cavity filters
Device is silver-plated box body structure, includes the wire chamber of two cavity body structures that are square inside it.
In step S101, optimization, described installation site can be, but not limited to the bottom surface for described metallic cavity, preferably
Bottom center for described metallic cavity.Described locating slot can be, but not limited to as circular cell body, square cell body or regular polygon
Any one in the trough body structures such as cell body.The degree of depth of described locating slot is between 0.3mm to 0.7mm.As it is shown on figure 3, make
For citing, described locating slot is circular trough body structure, and its degree of depth is 0.5mm, and radius is 3.4mm.
S102. in described locating slot, solder(ing) paste is filled.
S103. the support root at described dielectric resonator plates welding metal level, and is inserted by described support root
Enter in described locating slot.
In step s 103, optimization, described in the metal layer thickness that is plated on described support root less than 0.1mm, in order to
Guarantee that follow-up described support root can be inserted in the described locating slot coordinated with its interval.Additionally, due to described medium cavity
Wave filter is silver-plated box body structure, and the most described metallic cavity is silver-plated cavity, and described support root preferably plates silver layer.
S104. described metallic cavity and dielectric resonator are welded, make solder(ing) paste in described locating slot melt, finally
It is bonding with described metallic cavity that cooling realizes described dielectric resonator.
In step S104, the mode that described metallic cavity and dielectric resonator are welded can be but not limited to into
Solder reflow, warm table roasting mode or electric cautery mode etc., as optimize, preferably employ backflow in the present embodiment
Welding manner, can significantly reduce the participation of artificial (man/machine device people), is suitable for large batch of production.At described scolding tin
After cream melts, described dielectric resonator can be realized by natural cooling bonding with described metallic cavity.
The dielectric resonator installed by the inventive method and the dielectric resonator installed by glue adhering method are divided
Do not carry out stretching resistance test, available following comparative test result:
(1), under ambient temperature and moisture, for the dielectric resonator installed by glue adhering method, when pulling force is 125N, medium is humorous
The support of device of shaking i.e. can separate with metallic cavity；And for the dielectric resonator installed by the inventive method, at pulling force be
During 200N, the support of dielectric resonator does not separates with metallic cavity, continue pulling force to 250N time, dielectric resonator ability and its
Frame comes off；
(2) after 500 hours hot and humid (75 DEG C, RH95%), for the dielectric resonator installed by glue adhering method,
When pulling force is 100N, the support of dielectric resonator i.e. can separate with metallic cavity；And for being installed by the inventive method
Dielectric resonator, when pulling force is 200N, the support of dielectric resonator does not separates with metallic cavity；
(3) after 1000 hours hot and humid (75 DEG C, RH95%), for the dielectric resonator installed by glue adhering method,
Occur coming off, illustrated that hot and humid lower glue lost efficacy；And for the dielectric resonator installed by the inventive method,
When pulling force is 200N, the support of dielectric resonator does not separates with metallic cavity；
By aforesaid comparative test result it is found that dielectric resonator is welded in metallic cavity by using to weld,
Firm connection between the two can be realized, the pull resistance of dielectric resonator can be significantly increased, and guarantee at long-time high temperature
Difficult drop-off under high humidity environment, the final dielectric cavity fluid filter prepared thus can be made to have reliability is high, application scenarios is wide and
Service life the advantage such as length.
The described firm method installing dielectric resonator in metallic cavity that the present embodiment provides, has following technology effect
Really: (1), by using welding to be welded in metallic cavity by dielectric resonator, can realize firm connection between the two, can be big
Amplitude ground improves the pull resistance of dielectric resonator, and guarantees difficult drop-off under long-time hot and humid environment；(2) can make finally
The dielectric cavity fluid filter prepared has that reliability is high, application scenarios wide and the advantage such as length in service life；(3) described method is suitable for
Large batch of production, and it is applicable to the dielectric cavity fluid filter of any feed form or other need to install penetrating of dielectric resonator
Frequently device, it is simple to actual promotion and application.
As it has been described above, the present invention can preferably be realized.For a person skilled in the art, according to the religion of the present invention
Leading, the firm method installing dielectric resonator in metallic cavity designing multi-form is not required to performing creative labour.
Without departing from the principles and spirit of the present invention these embodiments are changed, revise, replace, integrate and modification still
Fall within the scope of protection of the present invention.
Claims (8)
1. the firm method installing dielectric resonator in metallic cavity, it is characterised in that comprise the steps:
S101. the installation site in metallic cavity offers the locating slot that the support root with dielectric resonator coordinates；
S102. in described locating slot, solder(ing) paste is filled；
S103. the support root at described dielectric resonator plates welding metal level, and is inserted into by described support root
In described locating slot；
S104. described metallic cavity and dielectric resonator are welded, make solder(ing) paste in described locating slot melt, finally cool down
Realize described dielectric resonator bonding with described metallic cavity.
A kind of firm method installing dielectric resonator in metallic cavity, it is characterised in that institute
State the bottom surface that installation site is described metallic cavity.
A kind of firm method installing dielectric resonator in metallic cavity, it is characterised in that institute
Stating metallic cavity is any one wire chamber being in dielectric cavity fluid filter, and described dielectric cavity fluid filter includes multiple
Metallic cavity.
A kind of firm method installing dielectric resonator in metallic cavity, it is characterised in that institute
Giving an account of matter cavity body filter is silver-plated box body structure, and described support root is silver coated.
A kind of firm method installing dielectric resonator in metallic cavity, it is characterised in that institute
State the metal layer thickness being plated on described support root less than 0.1mm.
A kind of firm method installing dielectric resonator in metallic cavity, it is characterised in that institute
State the degree of depth of locating slot between 0.3mm to 0.7mm.
A kind of firm method installing dielectric resonator in metallic cavity, it is characterised in that institute
Stating locating slot is any one in circular cell body, square cell body or regular polygon cell body.
A kind of firm method installing dielectric resonator in metallic cavity, it is characterised in that institute
Stating metallic cavity is any one in circular cavity body, square cell body or regular polygon cell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288227.XA CN105870569A (en) | 2016-05-04 | 2016-05-04 | Method for stable installation of dielectric resonator in metal cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288227.XA CN105870569A (en) | 2016-05-04 | 2016-05-04 | Method for stable installation of dielectric resonator in metal cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105870569A true CN105870569A (en) | 2016-08-17 |
Family
ID=56630074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610288227.XA Pending CN105870569A (en) | 2016-05-04 | 2016-05-04 | Method for stable installation of dielectric resonator in metal cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105870569A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946708A (en) * | 2017-11-15 | 2018-04-20 | 张家港保税区灿勤科技有限公司 | The wave filter and production method of bonded structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001060801A (en) * | 1999-08-24 | 2001-03-06 | Murata Mfg Co Ltd | Dielectric resonator device, dielectric filter, compound dielectric filter device, dielectric duplexer and communication apparatus |
| CN1408677A (en) * | 2001-09-26 | 2003-04-09 | 松下电器产业株式会社 | Dielectric ceramic and dielectric device |
| CN101800348A (en) * | 2010-04-01 | 2010-08-11 | 张家港保税区灿勤科技有限公司 | TM membrane dielectric resonator |
| CN102136620A (en) * | 2010-09-03 | 2011-07-27 | 华为技术有限公司 | Transverse magnetic mode dielectric resonator, transverse magnetic mode dielectric filter and base station |
| CN105140615A (en) * | 2015-09-18 | 2015-12-09 | 武汉凡谷陶瓷材料有限公司 | Microminiature dielectric resonator |
-
2016
- 2016-05-04 CN CN201610288227.XA patent/CN105870569A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001060801A (en) * | 1999-08-24 | 2001-03-06 | Murata Mfg Co Ltd | Dielectric resonator device, dielectric filter, compound dielectric filter device, dielectric duplexer and communication apparatus |
| CN1408677A (en) * | 2001-09-26 | 2003-04-09 | 松下电器产业株式会社 | Dielectric ceramic and dielectric device |
| CN101800348A (en) * | 2010-04-01 | 2010-08-11 | 张家港保税区灿勤科技有限公司 | TM membrane dielectric resonator |
| CN102136620A (en) * | 2010-09-03 | 2011-07-27 | 华为技术有限公司 | Transverse magnetic mode dielectric resonator, transverse magnetic mode dielectric filter and base station |
| CN105140615A (en) * | 2015-09-18 | 2015-12-09 | 武汉凡谷陶瓷材料有限公司 | Microminiature dielectric resonator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946708A (en) * | 2017-11-15 | 2018-04-20 | 张家港保税区灿勤科技有限公司 | The wave filter and production method of bonded structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2005053021A3 (en) | Thermal interface and method of making the same | |
| CN102111991B (en) | Method for soldering through-hole reflow device and printed circuit board | |
| KR101036986B1 (en) | Solid electrolytic condenser | |
| US9831575B2 (en) | Press fit electrical terminal having a solder tab shorter than PCB thickness and method of using same | |
| US9177710B2 (en) | SMD transformer structure and SMD transformer array | |
| JP2018537868A (en) | Wet electrolytic capacitors with improved volumetric efficiency with filling ports and surface mount terminations | |
| CN105870569A (en) | Method for stable installation of dielectric resonator in metal cavity | |
| DE102016207025B4 (en) | Merging application data activities from multiple applications | |
| CN211630498U (en) | PCB and common bonding pad thereof | |
| CN105514552A (en) | Cover plate welding type cavity filter and manufacturing method thereof | |
| CN205667017U (en) | Pad structure of PCB board | |
| CN105469995A (en) | Solid electrolytic capacitor | |
| CN104935788A (en) | Camera module and manufacturing method thereof | |
| CN207124287U (en) | A kind of antenna feed electric connection structure and mobile terminal | |
| CN210866441U (en) | Coplanar waveguide transmission line | |
| CN204966286U (en) | Can provide condenser that metal spraying face carries out surface mounting | |
| CN107959115A (en) | Car antenna and its connect base | |
| EP3288348A1 (en) | Curved type rigid substrate and method for manufacturing three-dimensional antenna by using same | |
| CN103346418A (en) | Welding connection piece and circuit board and antenna with welding connection piece | |
| CN108781512A (en) | High frequency substrate, high frequency package and high-frequency model | |
| CN211125956U (en) | Filter | |
| JP2008078633A (en) | Electronic component assembly and its manufacturing method | |
| CN211480327U (en) | Connecting piece structure connected on circuit board | |
| CN208889961U (en) | A kind of rapidly inserted connector | |
| CN108630878A (en) | Battery, its manufacturing method and the electronic device including the battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |
|
| RJ01 | Rejection of invention patent application after publication |