适合电信BTS基站的电磁屏蔽垫圈、垫片等材料,可实现水汽密封、射频干扰信号吸收、防雷击等

2019-06-15 Parker Chomerics
导电粘合剂,导电涂料,导电塑料,原位成型垫圈 导电粘合剂,导电涂料,导电塑料,原位成型垫圈 导电粘合剂,导电涂料,导电塑料,原位成型垫圈 导电粘合剂,导电涂料,导电塑料,原位成型垫圈

近年来随着云端技术和移动通信技术的迅猛发展,越来越多的无线通信系统开始进入了人们的生活当中。因此,对于无线通信技术相关的,基础设施和基础设备的性能要求也越来越高,功能性和可靠性的需求都在增加。电磁屏蔽功能必然是此类应用中的重中之重,尤其在信号收发基站(BTS)中,集中了大量的无线信号处理设备和收发设备,因此不论是EMI屏蔽还是RFI屏蔽,在BTS中的需求都是大量且高标准的。

 

图1  无线信号收发基站BTS

 

美国PARKER CHOMERICS(派克固美丽)公司,是一家世界知名的屏蔽材料生产厂家。针对电信行业这种高标准且复杂的应用需求,本文推荐了派克固美丽产品库中的一些屏蔽材料类型。

 

图2  派克固美丽的各种屏蔽垫圈、垫片产品类型

 

首先是派克固美丽的各种屏蔽垫圈、垫片产品,种类丰富、类型多样,主要有导电橡胶垫圈CHO-SEAL®)、金属指形簧片SPRING-LINE®)、原位成型垫圈CHOFORM®)、金属化塑料垫片Metalastic)、定向金属丝垫圈POLA®)、金属网垫圈SHIELDMESH)和导电泡棉垫圈SOFT-SHIELD®),图2中展示了这些垫圈产品的典型实物。这种垫圈、垫片产品,可以用在各种电信设备的连接器、壳体、机柜、屏蔽舱等结构法兰中,起到需求的电磁屏蔽效果。而且,不同的垫圈产品,具有不同的特殊性能,例如导电橡胶垫圈就能起到水汽密封作用;金属指形簧片可以吸收射频干扰信号;原位成型垫圈适合紧凑的空间结构;金属网垫圈具有较大的载流能力,用在发射塔附近,可以防雷击破坏和EMP破坏。更多特殊性能,以及相关的型号参数,请至世强元件电商平台搜索查询。

 

图3  PREMIER™系列导电塑料

 

上图所示的是PREMIER™系列导电塑料,这种塑料颗粒中加入了不锈钢纤维和玻璃纤维,屏蔽效能(超过80dB)和机械强度都大大增强,是金属铸件壳体的理想替代方案。在信号基站的应用中,有许多轻型材料的需求,例如图1中看到的收发塔上的多个悬挂结构,其中的设备就非常适合采用导电塑料制成外壳。而且,目前这种塑料颗粒提高了抗水解能力,在湿热条件下的老化性能相当不错,完全能够适应室外的应用需求,各方面都不比金属壳体差,同时重量至少能减少30%以上。

 

图4  导电涂料导电粘合剂

 

上图所示的两种产品是导电涂料(CHO-SHIELD®和导电粘合剂CHO-BOND®),这两种产品的主配方有点相似,都是由金属微粒填充基质制成,一种是涂料基质,一种是粘合剂基质。导电粘合剂主要作用是粘合各种垫圈和基板,之前介绍的屏蔽垫圈就经常会采用导电粘合剂的安装工艺,因此为了不影响整体的屏蔽和导电性能,粘合剂的金属微粒通常是纯银,也有比较少的其他合金,例如镀银铜。导电涂料则是大量用在设备外壳和机体外壳上,起到增强屏蔽效能和导电接地性能的作用,BTS基站上可用到的有天线基座、主控室外墙等等。因为导电涂料的应用方向很多,因此其金属填料和涂料基质有比较多的选择,可以从电气性能、机械性能、材质兼容性和成本效益等角度出发,进行选型。派克固美丽提供的型号种类也十分丰富,总能选择到一款最适用的产品。

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型号- 19-04-12901-XXXX,10-06-A778-XXXX,19-04-M394-XXXX,10-04-4180-XXXX-40,10-00-0028-XXXXX,10-00-1846-XXXXX,19-09-LH10-1298,10-04-3076-XXXX-40,M83528/007Y005,M83528/007Y004,19-04-28067-XXXX,M83528/007Y003,M83528/007Y002,M83528/007Y001,10-05-4542-XXXX,10-00-2029-XXXXX,10-02-1492-XXXXX,19-07-22989-XXXX,19-18-15489-XXXX,M83528/007Y007,M83528/007Y006,19-09-28855-XXXX,10-00-0010-XXXXX,19-05-12375-XXXX,19-07-12959-XXXX,19-08-12844-XXXX,19-08-C929-XXXX,10-04-3560-XXXX-40,19-09-E053-XXXX,40-TA-1010-1350,19-04-21194-XXXX,20-02-6565-1212,30-02-2051-XXXXX,19-04-25964-XXXX,19-09-L524-XXXX,19-09-14831-XXXX,19-09-LE24-XXXX,19-06-11223-XXXX,20-01-5055-1239,30-02-2043-XXXXX,19-09-14645-XXXX,19-08-12885-XXXX,40-T0-1020-6307,19-04-16104-XXXX,40-TA-1020-6460,19-04-26610-XXXX,19-04-14349-XXXX,10-01-6515-XXXXX,10-00-3550-XXXXX,10-00-1782-XXXXX,19-06-22037-XXXX,40-TA-1010-1310,19-04-13759-XXXX,19-04-14964-XXXX,19-04-22324-XXXX,10-07-4272-XXXX,19-04-21493-XXXX,10-05-1364-XXXX,19-07-26620-XXXX,10-07-3225-XXXX-40,30-02-2056-XXXXX,19-04-11875-XXXX,19-04-25051-XXXX,40-TA-1015-S6305,20-01-5005-1239,19-09-11540-XXXX,19-04-16162-XXXX,19-07-27622-XXXX,19-04-12908-XXXX,19-06-M412-XXXX,19-08-17623-XXXX,10-09-LH17-XXXX,40-TA-1015-1298,19-04-24444-XXXX,19-04-22253-XXXX,CHO-MUTE 9025,40-TA-1015-6503,40-TA-1015-6502,10-00-0044-XXXXX,19-05-21166-XXXX,19-18-21184-XXXX,19-07-21339-XXXX,10-05-10648-XXXX,10-00-2231-XXXXX,10-00-2536-XXXXX,19-26-5575-0240,10-04-5514-XXXX,19-04-11228-XXXX,19-09-W321-XXXX,10-01-1375-XXXXX,19-05-Z586-XXXX-40,10-05-3369-XXXX,10-06-8560-XXXX,19-06-Z731-XXXX,CHO-MUTE 9005,10-04-2862-XXXX,30-03-2071-XXXXX,40-TA-1015-1273,10-00-2070-XXXXX,10-00-2040-XXXXX,19-04-26424-XXXX,19-04-23836-XXXX,19-04-16390-XXXX,19-05-15343-XXXX,19-04-23158-XXXX,10-06-2750-XXXX-40,19-07-12951-XXXX,19-09-L453-XXXX,10-07-B447-XXXX,19-18-10168-XXXX,10-00-2227-XXXXX,40-TA-1015-1285,10-00-2777-XXXXX,19-18-M391-XXXX,40-TA-1015-1287,19-04-F371-XXXX-40,19-26-1800-0345,10-00-2228-XXXXX,19-04-22049-XXXX,20-02-6515-1212,30-02-2048-XXXXX,19-04-12910-XXXX,10-01-1240-XXXXX,19-09-19925-XXXX,19-18-37817-XXXX,19-07-W391-XXXX,10-00-0052-XXXXX,19-07-21881-XXXX,10-05-1363-XXXX-40,19-09-C032-XXXX,19-07-15804-XXXX,10-00-2320-XXXXX,PARPHORM® 1800,10-07-3226-XXXX,19-07-25333-XXXX,19-09-16336-XXXX,10-04-9769-XXXX,10-04-8817-XXXX-40,19-04-11204-XXXX,19-06-L064-XXXX,10-00-5983-XXXXX,10-07-E263-XXXX,19-09-11225-XXXX,10-00-1406-XXXXX,10-03-1859-XXXXX,10-04-8363-XXXX-40,19-06-15899-XXXX,20-01-5225-1239,19-07-27623-XXXX,10-05-6394-XXXX,19-08-23568-XXXX,19-09-11408-XXXX,19-04-20951-XXXX,19-07-12200-XXXX,10-07-4483-XXXX-40,10-00-4452-XXXXX,19-04-27855-XXXX,10-08-3872-XXXX,10-00-2230-XXXXX,10-04-8363-XXXX,19-07-25114-XXXX,19-09-18963-XXXX,30-03-2068-XXXXX,19-04-21162-XXXX,19-09-23709-XXXX,19-04-W049-XXXX,19-09-24684-XXXX,19-05-B254-XXXX,19-04-14261-XXXX,19-09-32174-XXXX,19-05-12883-XXXX,10-04-8133-XXXX-40,20-03-3731-1212,19-04-20982-XXXX,19-04-22066-XXXX,10-05-4542-XXXX-40,40-TA-1015-6371,10-00-0032-XXXXX,19-04-22129-XXXX,30-03-8800-XXXXX,19-04-12902-XXXX,10-00-1342-XXXXX,10-00-1407-XXXXX,19-09-10843-XXXX,10-06-6175-XXXX,20-01-5135-1239,30-03-2076-XXXXX,30-03-1981-XXXXX,10-05-1363-XXXX,10-06-C716-XXXX,19-05-12066-XXXX,10-05-4318-XXXX-40,19-09-X962-XXXX,19-09-19880-XXXX,20-01-5120-1239,30-02-2042-XXXXX,19-07-F463-XXXX,19-05-19354-XXXX,19-04-X787-XXXX,10-04-4254-XXXX,40-TA-2020-6371,19-05-F173-XXXX-40,40-TO-1020-V6433,10-08-4315-XXXX-40,10-00-1845-XXXXX,19-04-12909-XXXX,10-05-3224-XXXX,10-04-4148-XXXX,19-08-22217-XXXX,19-07-11294-XXXX,19-04-14632-XXXX,10-07-4217-XXXX-40,20-11-5020-1239,10-06-3599-XXXX-40,19-06-C442-XXXX,10-05-1362-XXXX-40,10-01-6565-XXXXX,10-00-4123-XXXXX,19-04-26087-XXXX,19-18-38246-XXXX,30-03-2075-XXXXX,20-01-5145-1239,10-05-6394-XXXX-40,19-18-F775-XXXX,20-02-6531-1212,10-04-1720-XXXX,19-07-L463-XXXX,40-TA-1015-6330,19-26-5541-0650,19-04-23086-XXXX,19-05-C128-XXXX,20-11-5035-1239,10-02-2736-XXXXX,19-18-19078-XXXX,30-02-2052-XXXX,19-09-28323-XXXX,46-TA-1020-90XX,19-09-22539-XXXX,19-07-12877-XXXX,20-03-6645-1212,10-07-4523-XXXX,19-04-11651-XXXX,19-09-24030-XXXX,19-05-L547-XXXX,19-04-14537-XXXX,19-09-25853-XXXX,10-04-1687-6503,10-00-1360-XXXXX,40-T0-1015-V6433,20-03-3561-1212,46-T-A-1020-90XX,19-04-20072-XXXX,19-07-M327-XXXX,10-00-2071-XXXXX,19-26-5538-0650,20-02-6530-1212,19-18-25990-XXXX,19-08-E622-XXXX,19-09-F676-XXXX,10-04-W267-XXXX,19-09-19022-XXXX,19-04-22533-XXXX,20-03-L767-1212,19-09-24063-XXXX,19-09-17428-XXXX,10-05-1499-XXXX-40,10-04-3560-XXXX,30-02-2057-XXXXX,19-04-13564-XXXX,19-09-M942-XXXX,19-04-12792-XXXX,20-11-1683-1239,19-05-14960-XXXX,19-09-14377-XXXX,19-09-LF27-XXXX,40-TA-1010-6460,10-05-8635-XXXX,40-T0-1010-V6433,10-04-W293-XXXX,10-00-1770-XXXXX,19-04-22230-XXXX,30-02-2050-XXXXX,19-07-F627-XXXX,10-05-2618-XXXX-40,10-05-6419-XXXX,19-04-15443-XXXX,20-02-6510-1212,10-04-2561-XXXX,30-03-2066-XXXXX,30-02-2055-XXXXX,10-01-1264-XXXXX,19-05-20355-XXXX,10-00-2229-XXXXX,19-09-20405-XXXX,10-01-1241-XXXXX,19-26-5526-0850,40-TA-1020-1224,10-05-1577-XXXX,40-TA-1020-122

用户指南  -  PARKER CHOMERICS  - 02/2022 PDF 英文 下载

Parker Chomerics 产品概述

型号- CHO-TOUCH™,CHO-STRAP®,CHO-SEAL®,STREAMSHIELD OMNI-CELL® SHIELD-CELL,T-WING®,CHO-MUTE®,CHO-MASK®,SPRING-LINE®,DURALAN™,CHO-BOND®,CHO-FAB®,THERM-A-GAP™,WIN-SHIELD®,CHO-SORB®,THERM-A-FORM™,CHO-THERM®,THERMFLOW®,CHO-SHRINK®,THERMATTACH®,METALASTIC®,PREMIER™,CHO-FOIL®,CHO-LUBE,SOFT-SHIELD®,CHO-FORM®,POLA®,TECKFILM™,CHO-SHIELD®

商品及供应商介绍  -  PARKER CHOMERICS  - 2019-08 PDF 中文 下载

Parker Chomerics(派克固美丽)CHOFORM®和ParPHorm®系列EMI屏蔽垫片选型指南

目录- EMI Gaskets    ParPHorm and CHOFORM Sealing Compounds    CHOFORM Shielded Housing Assemblies   

型号- PARPHORM L1938,CHOFORM 5560,19-26-5560-0500,PARPHORM S1945,CHOFORM 5541,19-26-1938-0200,CHOFORM®5541,PARPHORM® 1800,CHOFORM®5560,PARPHORM®1800,19-26-5528-0850,PARPHORM®L1938-45,CHOFORM® 5528,CHOFORM® 5526,PARPHORM® L1938-45,CHOFORM® 5575,19-26-5526-0850,CHOFORM 5528,CHOFORM® 5550,PARPHORM 1800,CHOFORM 5526,CHOFORM®5538,PARPHORM® S1945-25,CHOFORM®5513,PARPHORM®S1945-25,19-26-5550-0575,CHOFORM®5575,CHOFORM®5550,19-26-1800-0345,CCHOFORM 5550,19-26-5575-0240,CHOFORM® 5538,19-26-5538-0650,CHOFORM® 5513,19-26-5541-0650,19-26-5575-0500,CHOFORM® 5541,CHOFORM® 5560,CHOFORM®5528,CHOFORM 5513,19-26-1945-0250,CHOFORM 5538,CHOFORM®5526,CHOFORM 5575,19-26-5513-0850

选型指南  -  PARKER CHOMERICS  - October 2018 PDF 英文 下载

Form-In-Place CHOFORM® Robotically Dispensed EMI Gaskets

型号- PARPHORM L1938,19-26-5560-0500,PARPHORM S1945,CHOFORM 5560,19-26-1938-0200,CHOFORM 5541,5560,CHOFORM®5541,CHOFORM®5560,PARPHORM® 1800,19-26-5528-0850,5541,19-26-5526-0850,CHOFORM 5528,PARPHORM 1800,5513,CHOFORM®5538,CHOFORM 5526,CHOFORM®5513,5538,19-26-5550-0575,L1938,CHOFORM®5575,CHOFORM 5550,5550,CHOFORM®5550,5575,19-26-1800-0345,19-26-5575-0240,19-26-5538-0650,PARPHORM® L1938,19-26-5541-0650,1800,19-26-5575-0500,CHOFORM®5528,CHOFORM 5513,CHOFORM®5526,5526,CHOFORM 5575,19-26-5513-0850,5528

应用及方案  -  PARKER CHOMERICS  - May 2023 PDF 英文 下载 查看更多版本

【应用】导电橡胶圈CHO-SEAL®6370为5G通信腔体滤波器提供电磁密封和环境密封

对于5G通信设备可能存在的EMI问题,推荐固美丽导电橡胶密封圈CHO-SEAL®6370。以硅橡胶为基质的导电橡胶材料CHO-SEAL®6370系列,其填充金属为镀镍石墨颗粒,具备镍金属的耐盐雾腐蚀能力和石墨颗粒的润滑特性。在10GHz频段及以下提供95dB的屏蔽效能,具有优异的屏蔽性能及密封性能。耐温范围-45℃~150℃,满足严苛应用环境。

应用方案    发布时间 : 2020-02-25

【选型】光模块的EMI问题分析及导电橡胶圈/导电胶/吸波材料解决方案推荐

本文主要分析了光模块的EMI问题,并根据这些问题给出了Parker Chomerics在导电橡胶圈,导电胶和吸波材料三方面的CHO-SEAL® 1285/CHO-SEAL® S6305/CHOFORM®5538/CHOFORM®5528/CHO-MUTE 9005/CHO-MUTE 9025六款解决方案,效果较为突出。

器件选型    发布时间 : 2019-09-19

CHO-SEAL® 6750 Cost Effective, Low Durometer, EMI Shielding, Chemically Resistant Fluorosilicone Elastomer

型号- 40-TA-2020-6750,CHO-SEAL® 6750,40-TA-1020-6750,CHO-SEAL 6750,40-TA-1015-6750,40-TA-1010-6750

数据手册  -  PARKER CHOMERICS  - August 2023 PDF 英文 下载

【选型】适用于EMP防护应用的屏蔽材料类型:金属指形簧片、金属编织网、金属箔胶带、导电塑料

本文谈到的是以防EMP破坏应用为重点的产品,先简单讲一下什么是EMP,以及防EMP产品的特点。从EMP的特性出发,显然需要的就是能够在短时间内快速导出大量电磁能量的产品,并且屏蔽效能要足够高,能够衰减绝大部分的电磁能量。因此,这种EMP应用通常选择的是金属材料制品,同时保证大载流量、高屏蔽效能和高导电性能。笔者从派克固美丽产品库中,筛选了几个适用于EMP防护应用的产品类型。

器件选型    发布时间 : 2019-06-22

测试报告  -  PARKER CHOMERICS  - 12/09/2016 PDF 英文 下载

Speeding Development. Reducing Risk. Electromagnetic Interference (EMI) Shielding and Thermal Interface Materials Solutions for Life Science Devices

型号- PREMIER™ A240-FRHF,WIN-SHIELD™ P,SOFT-SHIELD® 4850,CHO-SEAL® 1285,PREMIER™ PEI 140,THERM-A-GAP™ GEL 30,CHOFORM® 5528,CHO-SHIELD® 2040,PREMIER™ A220-HT,THERM-A-GAP™ 974,CHO-SHIELD® 2044,CHO-SEAL® 6370,THERM-A-GAP™ 976,THERM-A-GAP™ 579,WIN-SHIELD™ G,THERM-A-GAP™ GEL 8010,THERM-A-GAP™ HCS10,CHO-SEAL® S6305,DURALAN™ P,CHO-SEAL® 1298,CHO-SEAL® 6502,THERM-A-GAP™ GEL 45,THERM-A-GAP™ G974,THERM-A-FORM™ T646,CHOFORM® 5513,CHO-SHIELD® 2056,THERM-A-FORM™ T647,CHO-SEAL® 6503,PREMIER™ A240-ST,THERM-A-GAP™ TC50,THERM-A-GAP™ 569,PREMIER™ PBT-225,SOFT-SHIELD® 3500,THERM-A-FORM™ 1641,SOFT-SHIELD® 3700

商品及供应商介绍  -  PARKER CHOMERICS  - 10/18 PDF 英文 下载

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导电屏蔽材料模切加工

加工尺寸范围2~15英寸,产品有效加工尺寸:半断加工:2MM*600MM*900MM;全断加工:30MM*1600MM*2500MM;

最小起订量: 1000pcs 提交需求>

丙烯酸/光固化&双固化UV胶定制

可定制UV胶的粘度范围:150~25000cps,粘接材料:金属塑料PCB,玻璃,陶瓷等;固化方式:UV固化;双固化,产品通过ISO9001:2008及ISO14000等认证。

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