CN108274879A - A kind of preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses - Google Patents

A kind of preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses Download PDF

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Publication number
CN108274879A
CN108274879A CN201810159161.3A CN201810159161A CN108274879A CN 108274879 A CN108274879 A CN 108274879A CN 201810159161 A CN201810159161 A CN 201810159161A CN 108274879 A CN108274879 A CN 108274879A
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China
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antenna
composite material
high frequency
preparation
sandwich structure
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CN201810159161.3A
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Chinese (zh)
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徐中
徐中一
顾生标
汪贵平
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Shanghai Puncak Technology Co Ltd
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Shanghai Puncak Technology Co Ltd
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Priority to CN201810159161.3A priority Critical patent/CN108274879A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • B32B17/064—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/146—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers whereby one or more of the layers is a honeycomb structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0076—Curing, vulcanising, cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B32B2307/734—Dimensional stability

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  • Moulding By Coating Moulds (AREA)

Abstract

The invention discloses a kind of preparation methods of high frequency wave transparent sandwich structure composite material 5G antenna houses, the antenna house is made of interior exterior skin and core material, skin material uses glass fiber reinforcement cyanate modified epoxy composite material, core material to select aramid fiber honeycomb core.Using autoclave secondary forming process, ensure the compactness of composite material, reduce the porosity of antenna house product, so that the antenna house is met under high frequency while having high intensity, high temperature resistant, low-k, wave transmission rate high, the production efficiency is high simultaneously, reduces assembly technology step, at low cost, stable quality, disclosure satisfy that the mass production demand and performance requirement of civil antenna cover product.

Description

A kind of preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses
Technical field
The present invention designs antenna house preparation field, especially a kind of high frequency wave transparent sandwich structure composite material 5G antenna houses Preparation method.
Background technology
The construction and development of China Mobile's network at present has come into a new stage, and antenna quality guarantee It is that 5G communicates the basic premise being achieved with technology upgrading.Since 5G antenna houses work in high band, a large amount of heat is generated, Temperature can reach 200 DEG C or more, and the material of antenna house is based on the plastics such as PVC, ABS at present, and the heatproof of these plastics is 100 DEG C hereinafter, far can not meet the requirements, in addition 5G antenna for base station is all to emit the narrow beam of extensive height directive property, therefore want The material wave of antenna house is asked to get well.
It is mainly mechanical strength and dielectric constant to weigh the parameter of high-performance blister standard under normal circumstances.Antenna house Mechanical strength is higher, and the ability for resisting foreign impacts is stronger.The dielectric constant and loss tangent of antenna house are lower, Wave transmission rate is higher.A certain amount of additive is added in the material can improve temperature tolerance, but wave will be deteriorated.So In actual production, the material of antenna house how is selected, make it while having the advantages that high intensity, high temperature resistant, high wave are ratios More difficult.In addition antenna house production cost is also day in patent CN105856589A an important factor for influencing its popularization and application The basis material and core material of irdome have selected polyimide material, which is usually used in aerospace field, but cost It is higher, and solidification temperature is higher than 300 DEG C, it is more demanding for production equipment, it is unfavorable for high-performance blister to commercial market Development.
Invention content
It is an object of the invention to overcome above-mentioned technological difficulties, a kind of high frequency wave transparent sandwich structure composite material 5G is provided The preparation method of antenna house solves the selection problem of high-performance blister, makes it while having both high temperature resistant, high wave and low The characteristics of cost.In addition antenna house is prepared using autoclave secondary forming process, ensure that the compactness of sandwich, improves The mechanical performance of antenna house product.
The present invention is achieved through the following technical solutions：
A kind of preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses, the antenna house are sandwich, packet Covering, honeycomb core material and bakelite plate, preparation method up and down is included mainly to include the following steps：
1) modified epoxy glue impregnated glass fiber is prepared into prepreg；
2) corresponding mold will be put into after prepreg overlay, be heating and curing demoulding aftershaping antenna for the first time using autoclave process The lower covering of cover；
3) honeycomb core material, bakelite plate and upper covering prepreg overlay are coated with successively on lower covering, is spread between upper and lower covering and core material Rubberizing film, close adhesion form sandwich, and be heating and curing molding antenna house for the second time；
4) spray painting of antenna skin plate and machining post-processing.
The preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses as described above, the modified epoxy are Cyanate modified epoxy, heat resisting temperature are higher than 220 DEG C.
The preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses as described above, the honeycomb core material are virtue Synthetic fibre honeycomb core.
The preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses as described above, the prepreg contain glue Amount is 20%-40%.
The preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses as described above, the laying of the prepreg Structure is 90 °/0 °/90 ° or+45 °/0 °/- 45 ° or+45 °/90 °/- 45 °.
The preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses as described above, the step（2）And step Suddenly（3）In curing process be：Solidification temperature is 120-200 DEG C, soaking time 1-4h, pressure 0.5-1MPa.
The preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses as described above, the antenna house exist Panel wave transmission rate under the working frequency of 28GHz is more than 90%, and loss is less than 0.3dB.
The present invention has the following advantages that compared with prior art：
（1）The present invention is using glass fiber reinforcement cyanate modified epoxy composite material as skin material, core material Aramid fiber honeycomb core is selected, meets temperature tolerance and the wave requirement of civil antenna cover, while reducing the material of civil antenna cover Cost is conducive to the large-scale promotion application of 5G antenna houses.
（2）The present invention uses autoclave secondary forming process, it is ensured that the compactness of composite material reduces antenna house product Porosity improves product size stability, extends the service life of civil antenna cover.
（3）The present invention uses the thread pore structure of bakelite plate integrated molding antenna house, reduces mach post-processing Step simplifies the assembly technology of antenna house.
Description of the drawings
Fig. 1 is the front view of 5G antenna houses of the present invention；
Fig. 2 is the sectional view of 5G antenna houses of the present invention；
Fig. 3 is the composite construction schematic diagram of 5G antenna houses of the present invention；
Wherein, the upper coverings of 1-, 2- honeycomb interlayers, covering under 3-, 4- bakelite plates
Specific implementation mode
The present invention is described in further detail in the following with reference to the drawings and specific embodiments：
Embodiment 1：
A kind of preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses, the antenna house are sandwich, packet Covering 1, lower covering 3, honeycomb interlayer core material 2 and bakelite plate 4 are included, preparation method mainly includes the following steps：Ring modified first Oxygen resin adhesive liquid impregnated glass fiber is prepared into prepreg, and the gel content of prepreg is 20%；It will be put into after prepreg overlay corresponding Mold, the ply angles of prepreg are 90 °/0 °/90 °, and be heating and curing demoulding aftershaping day for the first time using autoclave process The lower covering of irdome；It is coated with honeycomb core material, bakelite plate and upper covering prepreg overlay, upper and lower covering and core successively on lower covering Paving glued membrane between material, close adhesion form sandwich, and be heating and curing molding antenna house for the second time；Antenna skin plate paints and machine Post-process treatment.Curing process is：Solidification temperature is 120 DEG C, soaking time 4h, pressure 0.5MPa.
Skin thickness is 0.2mm, table to the high frequency wave transparent sandwich structure composite material 5G antenna houses finally prepared up and down 34 μm of finishing coat layer thickness, panel wave transmission rate of the antenna house under the working frequency of 28GHz is 96%, after tested under different condition Radome loss value is as shown in table 1, meets the performance requirement of civilian 5G antenna houses.
Table 1
Embodiment 2：
A kind of preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses, the antenna house are sandwich, packet Covering 1, lower covering 3, honeycomb interlayer core material 2 and bakelite plate 4 are included, preparation method mainly includes the following steps：Ring modified first Oxygen resin adhesive liquid impregnated glass fiber is prepared into prepreg, and the gel content of prepreg is 40%；It will be put into after prepreg overlay corresponding Mold, the ply angles of prepreg are+45 °/0 °/- 45 °, and be heating and curing demoulding aftershaping for the first time using autoclave process The lower covering of antenna house；Be coated with honeycomb core material, bakelite plate and upper covering prepreg overlay successively on lower covering, upper and lower covering with Paving glued membrane between core material, close adhesion form sandwich, and be heating and curing molding antenna house for the second time；Antenna skin plate paint and Machining post-processing.Curing process is：Solidification temperature is 200 DEG C, soaking time 1h, pressure 1MPa.
Skin thickness is 0.22mm, table to the high frequency wave transparent sandwich structure composite material 5G antenna houses finally prepared up and down 46 μm of finishing coat layer thickness, panel wave transmission rate of the antenna house under the working frequency of 28GHz is 92%, after tested under different condition Radome loss value is as shown in table 2, meets the performance requirement of civilian 5G antenna houses.
Table 2

Claims (7)

1. a kind of preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses, it is characterised in that：Antenna house is interlayer Structure, including upper and lower covering, honeycomb core material and bakelite plate, the preparation method of the antenna house mainly include the following steps：
1) modified epoxy glue impregnated glass fiber is prepared into prepreg；
2) corresponding mold will be put into after prepreg overlay, be heating and curing demoulding aftershaping antenna for the first time using autoclave process The lower covering of cover；
3) honeycomb core material, bakelite plate and upper covering prepreg overlay are coated with successively on lower covering, is spread between upper and lower covering and core material Rubberizing film, close adhesion form sandwich, and be heating and curing molding antenna house for the second time；
4) spray painting of antenna skin plate and machining post-processing.
2. the preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses according to claim 1, feature exist In：The modified epoxy is cyanate modified epoxy, and heat resisting temperature is higher than 220 DEG C.
3. the preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses according to claim 1, feature exist In：The honeycomb core material is aramid fiber honeycomb core.
4. the preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses according to claim 1, feature exist In：The gel content of the prepreg is 20%-40%.
5. the preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses according to claim 1, feature exist In：The ply angles of the prepreg are 90 °/0 °/90 ° or+45 °/0 °/- 45 ° or+45 °/90 °/- 45 °.
6. the preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses according to claim 1, feature exist In：The step（2）And step（3）In curing process be：Solidification temperature is 120-200 DEG C, soaking time 1-4h, pressure For 0.5-1MPa.
7. the preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses according to claim 1, feature exist In：Panel wave transmission rate of the antenna house under the working frequency of 28GHz is more than 90%, and loss is less than 0.3dB.
CN201810159161.3A 2018-02-26 2018-02-26 A kind of preparation method of high frequency wave transparent sandwich structure composite material 5G antenna houses Pending CN108274879A (en)

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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN111010224A (en) * 2019-12-26 2020-04-14 中国科学院国家空间科学中心 S-band satellite communication terminal for offshore mobile platform
CN111864374A (en) * 2020-06-03 2020-10-30 湖南航天环宇通信科技股份有限公司 5G base station millimeter wave antenna housing and manufacturing method thereof
EP3734753A1 (en) * 2019-05-01 2020-11-04 Raycap IP Development Ltd. Concealment systems and wireless communication equipment installations and methods including same
CN112873899A (en) * 2020-12-25 2021-06-01 上海玻璃钢研究院有限公司 Manufacturing method of broadband high-power-resistant housing
CN113764883A (en) * 2021-09-17 2021-12-07 航天海鹰(镇江)特种材料有限公司 Crown-shaped composite material honeycomb interlayer antenna housing and forming tool and method thereof
CN113823908A (en) * 2021-05-19 2021-12-21 上海阿莱德实业股份有限公司 Low-cost 5G antenna housing and sealing method and preparation method thereof
CN113823909A (en) * 2021-06-21 2021-12-21 上海阿莱德实业股份有限公司 Light low-dielectric composite material and preparation method of 5G millimeter wave antenna housing and antenna housing adopting same
CN114103164A (en) * 2021-11-14 2022-03-01 中国电子科技集团公司第五十四研究所 Sandwich structure feed source cover and manufacturing method thereof
CN115810912A (en) * 2022-12-07 2023-03-17 武汉工大创新科技发展有限公司 Manufacturing process of window type radome

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3734753A1 (en) * 2019-05-01 2020-11-04 Raycap IP Development Ltd. Concealment systems and wireless communication equipment installations and methods including same
EP4068510A1 (en) * 2019-05-01 2022-10-05 Raycap IP Development LTD Concealment systems and wireless communication equipment installations and methods including same
US11605881B2 (en) 2019-05-01 2023-03-14 Raycap IP Development Ltd Concealment systems and wireless communication equipment installations and methods including same
CN111010224A (en) * 2019-12-26 2020-04-14 中国科学院国家空间科学中心 S-band satellite communication terminal for offshore mobile platform
CN111864374A (en) * 2020-06-03 2020-10-30 湖南航天环宇通信科技股份有限公司 5G base station millimeter wave antenna housing and manufacturing method thereof
CN112873899A (en) * 2020-12-25 2021-06-01 上海玻璃钢研究院有限公司 Manufacturing method of broadband high-power-resistant housing
CN113823908A (en) * 2021-05-19 2021-12-21 上海阿莱德实业股份有限公司 Low-cost 5G antenna housing and sealing method and preparation method thereof
CN113823909A (en) * 2021-06-21 2021-12-21 上海阿莱德实业股份有限公司 Light low-dielectric composite material and preparation method of 5G millimeter wave antenna housing and antenna housing adopting same
CN113764883A (en) * 2021-09-17 2021-12-07 航天海鹰(镇江)特种材料有限公司 Crown-shaped composite material honeycomb interlayer antenna housing and forming tool and method thereof
CN114103164A (en) * 2021-11-14 2022-03-01 中国电子科技集团公司第五十四研究所 Sandwich structure feed source cover and manufacturing method thereof
CN115810912A (en) * 2022-12-07 2023-03-17 武汉工大创新科技发展有限公司 Manufacturing process of window type radome
CN115810912B (en) * 2022-12-07 2024-04-02 武汉工大创新科技发展有限公司 Window type radome manufacturing process

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