CN105974372A - LTCC installation structure member - Google Patents
LTCC installation structure member Download PDFInfo
- Publication number
- CN105974372A CN105974372A CN201610600240.4A CN201610600240A CN105974372A CN 105974372 A CN105974372 A CN 105974372A CN 201610600240 A CN201610600240 A CN 201610600240A CN 105974372 A CN105974372 A CN 105974372A
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- China
- Prior art keywords
- ltcc
- module
- installation
- step surface
- structural slab
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
- G01S7/032—Constructional details for solid-state radar subsystems
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses an LTCC installation structure member, which comprises a structure plate, fixation members and LTCC assemblies. The front surface and the back surface of the end portion at one end of the structure plate are respectively provided with a step surface; each step surface is provided with thread holes; the LTCC assemblies are arranged on the step surface side by side, and the edges of the LTCC assemblies are aligned to the edges of the step surface; an LTCC module between the adjacent LTCC assemblies is aligned with a tungsten copper plate in installation gap, and installation holes are formed; the formed installation holes are aligned with the thread holes in the step surface, and by fastening the tungsten copper plate on the back portion of the LTCC module through screws, the LTCC assemblies are fixedly arranged on the step surface; and the fixation members are fixedly arranged at the side surface of the structure plate, clamped in the installation gaps of the LTCC module and press the tungsten copper plate on the back portion of the LTCC module. The fixation effect of the LTCC assemblies and the structure plate is good, and size of the LTCC installation structure member is effectively reduced, thereby realizing application of a T/R assembly in small space application occasions.
Description
Technical field
The present invention relates to T/R component technology field in Connectors for Active Phased Array Radar, particularly to a kind of LTCC peace
Assembling structure part.
Background technology
Existing LTCC module generally ceramic material is made, it is impossible to use screw to be fixed to structural slab
On, easily LTCC template is damaged by pressure if screw is fixing, therefore generally use conductive silver paste by LTCC template
It is affixed directly on metal structure plate, so when certain LTCC damaged template, it has not been convenient to by LTCC mould
Plate takes off maintenance from structural slab.And the LTCC template being tightly fixed on structural slab by conductive silver paste,
Owing to thermal coefficient of expansion therebetween differs, relatively big (LTCC template is that ceramic material, metal structure plate are
Aluminum alloy materials), under the influence of high temperature or low-temperature working environment, the solder side of the two easily ftractures, and leads
Cause LTCC template to come off from structural slab, or the deformation of LTCC template can not get effectively discharging, LTCC
Easily there is fracture in template, causes LTCC damaged template.
Additionally, in some specific application scenarios, it is desirable to the space shared by T/R assembly is less, and
Under conditions of LTCC module size is certain, can only be to the structure of structural slab and LTCC module and structural slab
Combination improve.
Summary of the invention
It is an object of the invention to: realize the application in application scenario, little space of the T/R assembly, overcome existing simultaneously
Have under the LTCC module high temperature in the presence of technology or low-temperature working environment, be easily damaged, and once go out
Existing LTCC module failure, the technical problem that maintenance is inconvenient.
In order to realize foregoing invention purpose, the present invention provides a kind of LTCC mounting structure, and it includes structure
Plate, fixture and LTCC assembly；Wherein,
Its front and back of end of described structural slab one end is respectively provided with a step surface, and described step surface
It is provided with screwed hole；
Described LTCC assembly includes LTCC module and is fixedly installed on the tungsten copper at described LTCC module back
Plate, and the same position in described LTCC module and described copper tungsten plate edge respectively, offer installation gap,
The installation gap offered in wherein said copper tungsten plate is little compared with the installation gap offered in described LTCC module；
Described LTCC assembly is arranged side by side on described step surface, and the edge of described LTCC assembly
With the justified margin of described step surface, the LTCC module of adjacent described LTCC inter-module and copper tungsten plate
Installation gap aligns and forms installing hole, wherein, and the installing hole of formation and the screwed hole pair on described step surface
Together, and use the copper tungsten plate at LTCC module back described in screw in compression, described LTCC assembly is fixed on
On described step surface；
Described fixture is fixedly installed the side of described structural slab, and the installation snapping in described LTCC module lacks
Mouthful, and compress the copper tungsten plate at described LTCC module back.
According to a kind of specific embodiment, the side of described structural slab is provided with for embedding described fixture
Installation portion, described fixture embeds and is fixed in described installation portion, and neat with the side of described structural slab
Flat.
According to a kind of specific embodiment, described LTCC assembly is rectangular plate-like structure, and respectively in institute
State and on one group of opposite side of LTCC module and described copper tungsten plate, be symmetrical arranged installation gap, and be arranged on described
Described LTCC assembly on step surface is to have the limit arranged adjacent of installation gap.
According to a kind of specific embodiment, described fixture includes fixed part and snapin part, wherein, described
Fixed part is by being fixed on the side of described structural slab in embedding described installation portion, and described snapin part is used for card
Enter the installation gap of described LTCC module, and compress the copper tungsten plate at described LTCC module back.
According to a kind of specific embodiment, described fixture is decussate texture, and described fixed part is with described
Snapin part is generally aligned in the same plane and is mutually perpendicular to, and the width of described its end of fixed part and described structural slab
The thickness of the one end with described step surface is equal.
According to a kind of specific embodiment, described installation portion is that described structural slab has the one of described step surface
Groove in end side surface, the center of described installation portion sets in having a positive stop lug boss, and described installation portion
Put two screwed holes about described positive stop lug boss symmetry；
The center of described fixed part has the groove that the shape with described positive stop lug boss adapts, described fixing
Portion has two fixing holes corresponding with described installation portion internal thread hole, and described fixed part is adopted and is screwed
In the installation portion of described structural slab.
According to a kind of specific embodiment, the opening of the fixing hole both sides on described fixed part is unequal, and
And less opening is more than the threaded portion of the screw that fixing described fixed part is used, less than described head of screw
Portion.
According to a kind of specific embodiment, described positive stop lug boss has positioning convex；Correspondingly, described
The location hole corresponding with described positioning convex is offered in the groove of the center of fixed part.
According to a kind of specific embodiment, the both ends of described snapin part are respectively provided with a latch, described
The latch at both ends, snapin part is respectively used to snap in the described LTCC being arranged on described structural slab front with the back side
The installation gap of module, and correspondingly compress the copper tungsten plate at described LTCC module back.
According to a kind of specific embodiment, the installation gap semicircular in shape of described LTCC module, described card
Tooth has the cambered surface of the installation gap inner surface same curvature with described LTCC module, and described latch snaps in
The installation gap of described LTCC module, and by the peace of its described cambered surface having with described LTCC module
Dress inner side surface fits tightly.
Compared with prior art, beneficial effects of the present invention:
1, the back fixation of the LTCC module of the present invention arranges copper tungsten plate, copper tungsten plate and LTCC template heat
The coefficient of expansion is almost identical, and under high/low temperature working environment, the solder side of the two is not easily susceptible to cracking.
2, in the LTCC assembly of the present invention, LTCC module back fixation is provided with copper tungsten plate, and exists respectively
Same position in LTCC module and copper tungsten plate edge, offers installation gap, and the installation in copper tungsten plate
Breach is little compared with the installation gap in LTCC module, therefore, when two LTCC assembly arranged adjacent, logical
Cross screw the copper tungsten plate of two LTCC assemblies to be pressed on structural slab, i.e. complete the fixing of LTCC assembly.
3, the present invention also designs fixture to ensure the fixing of LTCC assembly on structure edges of boards, and fixing
Part is arranged on the side of structural slab, and snaps in the installation gap of LTCC module, and compresses LTCC module
The copper tungsten plate at back, can not only complete the fixing of LTCC assembly on structure edges of boards, and need not at knot
Structure plate extends a part of region, is threaded hole, thus reduces the size of structural slab, and then reduces whole
The size of LTCC mounting structure.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of present configuration plate；
Fig. 2 is the structural representation of LTCC assembly of the present invention；
Fig. 3 is that the present invention adopts the scheme of installation being screwed LTCC assembly；
Fig. 4 is the structural representation of fixture of the present invention；
Fig. 5 is the scheme of installation that LTCC assembly fixed by fixture of the present invention；
Fig. 6 is the partial schematic diagram of mounting structure of the present invention；
Fig. 7 is the overall structure schematic diagram of mounting structure of the present invention.
Reference numerals list
1-structural slab, 101-step surface, the screwed hole on 102-step surface, 103-installation portion, 103a-is spacing
Boss, the screwed hole in 103b-installation portion, 103c-positioning convex, 104-lightening grooves, 105-heat pipe,
2-LTCC assembly, 201-LTCC module, 202-copper tungsten plate, 3-fixture, 301-fixed part, 301a-is solid
Determining the groove in portion, 301b-fixing hole, 301c-positions hole, 302-snapin part, 302a-latch, 302b-
The cambered surface of latch, the seal face of 302c-latch.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in further detail.But this should be interpreted as
The scope of the above-mentioned theme of the present invention is only limitted to below example, all technology realized based on present invention
Belong to the scope of the present invention.
Structural representation in conjunction with the present configuration plate shown in Fig. 1；Wherein, the structural slab 1 one of the present invention
The end of end, its front and back is respectively provided with a step surface 101.Therefore, structural slab 1 is in its front
With LTCC assembly is installed on the end that the back side has step surface 101, and at its front and back, there is platform
Offer screwed hole 102 on terrace 101, use the fixed form of screw, LTCC assembly is fixed on structure
On plate 1.
Structural representation in conjunction with the LTCC assembly of the present invention shown in Fig. 2；Wherein, the LTCC of the present invention
Assembly 2 includes LTCC module 201 and copper tungsten plate 202, and copper tungsten plate 202 is fixedly installed on LTCC module
The back of 201, wherein, when making LTCC assembly 2, respectively in copper tungsten plate 202 and LTCC module 201
Same position on edge, offers installation gap, the installation gap relatively LTCC wherein offered in copper tungsten plate 202
The installation gap offered in module 201 is little.
Concrete, the LTCC assembly 2 in the present invention is rectangular plate-like structure, is making LTCC assembly 2
Time, on one group of opposite side of copper tungsten plate 202 and LTCC module 201, it is symmetrically arranged installation gap respectively,
And the LTCC assembly 2 being arranged on step surface 101 is to have the limit arranged adjacent of installation gap.Wherein,
On each limit of LTCC module 201 and copper tungsten plate 202, it is respectively provided with two installation gaps.
In the present invention, it is to use to be welded to connect that copper tungsten plate is fixedly installed on the mode at LTCC module back.And
In LTCC assembly, LTCC module with the production method of the installation gap of copper tungsten plate is: first at LTCC
It is symmetrically arranged two pairs of mounting breach on one group of opposite side of module, the LTCC module of installation gap will be made
Weld together with copper tungsten plate, further according to the installation gap of LTCC module, identical on copper tungsten plate edge
Position makes a less installation gap.Such production method, it is possible to avoid owing to the reason of welding is made
Become the installation gap of LTCC module, with the installation gap position of copper tungsten plate, deviation occurs, affect follow-up LTCC
The assembling of assembly.
The scheme of installation of LTCC assembly it is screwed in conjunction with adopting shown in Fig. 3；Wherein, LTCC group
Part 2 is arranged side by side on step surface 101, and the LTCC assembly 2 being arranged on step surface 101
Edge and the justified margin of step surface 101, the adjacent LTCC module 201 between two LTCC assemblies 2
Align with the installation gap of copper tungsten plate 202 and form installing hole, and the installing hole formed with on step surface
Screwed hole 102 aligns, due in LTCC assembly, and the relatively LTCC mould of the installation gap in copper tungsten plate 202
Installation gap on block 201 is little, therefore, when adopt be screwed LTCC assembly time, screw screw in step
Screwed hole 102 on face, screw head compresses the copper tungsten plate 202 of LTCC assembly 2, by LTCC assembly 2
It is fixed on step surface 101, and screw does not contacts with LTCC module 201, it is to avoid damage LTCC mould
Block.
The scheme of installation of LTCC assembly is fixed in conjunction with the fixture of the present invention shown in Fig. 4；Wherein, fixing
Part 3 is fixedly installed on the side of structural slab 1, and snaps in the breach of LTCC module 201, and compresses
The copper tungsten plate 202 at LTCC module 201 back, thus the LTCC assembly 2 on structural slab 1 limit is fixed.
The fixture of design in the present invention, can not only complete the fixing of LTCC assembly on structure edges of boards, and
And need not extend a part of region at structural slab, it is threaded hole, thus reduces the size of structural slab.
In the present invention, the side of structural slab 1 is provided with the installation portion 103 for embedding fixture 3, fixing
Part 3 embeds and is fixed in installation portion 103, and flushes with the side of structural slab 1, thus avoids fixture
3 projective structure plates 1, increase the width on LTCC arrangement of components direction, further reduce whole LTCC
The size of LTCC mounting structure.
Structural representation in conjunction with the fixture of the present invention shown in Fig. 3 and Fig. 5；Wherein, the peace of the present invention
Dress portion 103 is the groove that structural slab 1 has on the one end side of step surface 101, the center of installation portion 103
Place has a positive stop lug boss 103a, and arranges two in installation portion 103 about positive stop lug boss 103a symmetry
Screwed hole 103b.
The fixture 3 of the present invention includes fixed part 301 and snapin part 302.Wherein, fixed part 301 passes through
It is fixed on the side of structural slab 1 in embedding installation portion 103.Snapin part 302 is used for snapping in LTCC module
The installation gap of 201, and compress the copper tungsten plate 202 at LTCC module 201 back.
Further, the fixture 3 in the present invention is in decussate texture, and fixed part 301 is positioned at snapin part 302
Same plane and being mutually perpendicular to.Wherein, the width of its end of fixed part 301 and structural slab 1 have step surface
The thickness of one end of 101 is equal, and the maximum gauge of fixed part 301 is equal with the depth capacity of installation portion 103.
The center of fixed part 301 has the groove that the shape with positive stop lug boss 103a adapts, and fixed part
301 have two with corresponding for the screwed hole 103b fixing hole 301b in installation portion 103.Fixed part 301
Screw is used to be fixed in the installation portion 103 of structural slab 1.
Concrete, positive stop lug boss 103a has positioning convex 103c.Correspondingly, in fixed part 301
The location hole 301c corresponding with positioning convex 103c is offered in groove at the heart.
The opening of the fixing hole 301b side on fixed part 301 is more than the opening of its opposite side and less
The threaded portion of the screw that opening is used in being fixed on installation portion 103 more than fixed part 301, less than this screw
Head.Thus by the head of this screw, fixed part 301 is pressed on the side of structural slab 1.
A latch 302a it is respectively provided with on the two ends of the snapin part 302 of the fixture 3 in the present invention.Snapin part
The latch 302a at 302 both ends is respectively used to snap in the LTCC module being arranged on structural slab 1 front with the back side
The installation gap of 201, and correspondingly compress the copper tungsten plate 202 at LTCC module back.
Partial schematic diagram in conjunction with the mounting structure of the present invention shown in Fig. 5 and Fig. 6；Wherein, the present invention
The installation gap semicircular in shape of middle LTCC module 201.
Further, latch 302a also has cambered surface 302b and a seal face 302c.And latch 302a
There is cambered surface 302b of installation gap inner surface same curvature with LTCC module 201, latch 302a
Snap in the installation gap of LTCC module 201, cambered surface 302b being had by latch 302a and LTCC mould
The installation gap inner surface of block 201 fits tightly.The seal face 302c that latch 302a has simultaneously compresses
The copper tungsten plate 202 at this LTCC module 201 back.
Overall structure schematic diagram in conjunction with the mounting structure of the present invention shown in Fig. 7；Wherein, structural slab 1
Front and the back side offer lightening grooves.And structural slab 1 is provided with the cavity for accommodating electronic devices and components
Body, structural slab 1 is internal is welded with the heat pipe that can be quickly derived by the heat that LTCC module produces.
Above in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail, but the present invention has not limited
It is formed on above-mentioned embodiment, in the case of without departing from the spirit and scope of claims hereof, this area
Technical staff may be made that various amendment or remodeling.
Claims (10)
1. a LTCC mounting structure, it is characterised in that include structural slab, fixture and LTCC
Assembly；Wherein,
Its front and back of end of described structural slab one end is respectively provided with a step surface, and described step surface
It is provided with screwed hole；
Described LTCC assembly includes LTCC module and is fixedly installed on the tungsten copper at described LTCC module back
Plate, and the same position in described LTCC module and described copper tungsten plate edge respectively, offer installation gap,
The installation gap offered in wherein said copper tungsten plate is little compared with the installation gap offered in described LTCC module；
Described LTCC assembly is arranged side by side on described step surface, and the edge of described LTCC assembly
With the justified margin of described step surface, the LTCC module of adjacent described LTCC inter-module and copper tungsten plate
Installation gap aligns and forms installing hole, wherein, and the installing hole of formation and the screwed hole pair on described step surface
Together, and use the copper tungsten plate at LTCC module back described in screw in compression, described LTCC assembly is fixed on
On described step surface；
Described fixture is fixedly installed the side of described structural slab, and the installation snapping in described LTCC module lacks
Mouthful, and compress the copper tungsten plate at described LTCC module back.
2. LTCC mounting structure as claimed in claim 1, it is characterised in that described structural slab
Side is provided with the installation portion for embedding described fixture, and described fixture embeds and be fixed on described installation
In portion, and flush with the side of described structural slab.
3. LTCC mounting structure as claimed in claim 2, it is characterised in that described LTCC group
Part is rectangular plate-like structure, and symmetrical on one group of opposite side of described LTCC module and described copper tungsten plate respectively
Installation gap is set, and the described LTCC assembly being arranged on described step surface is to have installation gap
Limit arranged adjacent.
4. the LTCC mounting structure as described in one of claims 1 to 3, it is characterised in that described solid
Locking member includes fixed part and snapin part, and wherein, described fixed part is by being fixed in embedding described installation portion
The side of described structural slab, described snapin part is for snapping in the installation gap of described LTCC module, and pressure
The copper tungsten plate at tight described LTCC module back.
5. LTCC mounting structure as claimed in claim 4, it is characterised in that described fixture in
Decussate texture, described fixed part is generally aligned in the same plane with described snapin part and is mutually perpendicular to, and described solid
The width determining its end, portion is equal with the thickness of one end that described structural slab has described step surface.
6. LTCC mounting structure as claimed in claim 5, it is characterised in that described installation portion is
Described structural slab has the groove on the one end side of described step surface, and the center of described installation portion has one
Two screwed holes about described positive stop lug boss symmetry are set in positive stop lug boss, and described installation portion；
The center of described fixed part has the groove that the shape with described positive stop lug boss adapts, described fixing
Portion has two fixing holes corresponding with described installation portion internal thread hole, and described fixed part is adopted and is screwed
In the installation portion of described structural slab.
7. LTCC mounting structure as claimed in claim 6, it is characterised in that on described fixed part
The spiral shell that used more than fixing described fixed part of the unequal and less opening of the opening of fixing hole both sides
The threaded portion of nail, less than described screw head.
8. LTCC mounting structure as claimed in claim 6, it is characterised in that described positive stop lug boss
On there is positioning convex；Correspondingly, offer in the groove of the center of described fixed part and described positioning convex
Corresponding hole, location.
9. LTCC mounting structure as claimed in claim 4, it is characterised in that described snapin part
Be respectively provided with a latch on both ends, the latch at both ends, described snapin part be respectively used to snap in be arranged on described
The installation gap of the described LTCC module at structural slab front and the back side, and correspondingly compress described LTCC mould
The copper tungsten plate at block back.
10. LTCC mounting structure as claimed in claim 9, it is characterised in that described LTCC mould
The installation gap semicircular in shape of block, described latch has and the installation gap inner surface of described LTCC module
The cambered surface of same curvature, described latch snaps in the installation gap of described LTCC module, and passes through what it had
Described cambered surface fits tightly with the installation gap inner surface of described LTCC module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610600240.4A CN105974372B (en) | 2016-07-27 | 2016-07-27 | A kind of LTCC mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610600240.4A CN105974372B (en) | 2016-07-27 | 2016-07-27 | A kind of LTCC mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105974372A true CN105974372A (en) | 2016-09-28 |
| CN105974372B CN105974372B (en) | 2018-04-17 |
Family
ID=56951042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610600240.4A Active CN105974372B (en) | 2016-07-27 | 2016-07-27 | A kind of LTCC mounting structure |
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| CN101137278A (en) * | 2006-09-01 | 2008-03-05 | 富准精密工业(深圳)有限公司 | Heat radiating device |
| CN103124486A (en) * | 2011-11-18 | 2013-05-29 | 鸿富锦精密工业（深圳）有限公司 | Electronic device and double-layer circuit board module thereof |
| CN103926565A (en) * | 2014-05-08 | 2014-07-16 | 成都雷电微力科技有限公司 | Mounting module composed of LTCC component and structure cavity |
| CN104882526A (en) * | 2015-06-17 | 2015-09-02 | 乐山智诚光电科技有限公司 | Integrated LED packaging light source fluorescent tube |
| CN205826859U (en) * | 2016-07-27 | 2016-12-21 | 成都雷电微力科技有限公司 | A kind of LTCC mounting structure |
-
2016
- 2016-07-27 CN CN201610600240.4A patent/CN105974372B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007035767A (en) * | 2005-07-25 | 2007-02-08 | Kajima Corp | Joining structure of translucent electromagnetic shield plate, and joining tool |
| CN101137278A (en) * | 2006-09-01 | 2008-03-05 | 富准精密工业(深圳)有限公司 | Heat radiating device |
| CN103124486A (en) * | 2011-11-18 | 2013-05-29 | 鸿富锦精密工业（深圳）有限公司 | Electronic device and double-layer circuit board module thereof |
| CN103926565A (en) * | 2014-05-08 | 2014-07-16 | 成都雷电微力科技有限公司 | Mounting module composed of LTCC component and structure cavity |
| CN104882526A (en) * | 2015-06-17 | 2015-09-02 | 乐山智诚光电科技有限公司 | Integrated LED packaging light source fluorescent tube |
| CN205826859U (en) * | 2016-07-27 | 2016-12-21 | 成都雷电微力科技有限公司 | A kind of LTCC mounting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105974372B (en) | 2018-04-17 |
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Address after: 610041 Shiyang Industrial Park, No.288, Yixin Avenue, hi tech Zone, Chengdu, Sichuan Province Patentee after: Chengdu lightning Micro Power Technology Co., Ltd Address before: 610041 Shiyang Industrial Park, hi tech Zone, Chengdu, Sichuan Patentee before: RML TECHNOLOGY Co.,Ltd. |
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