KR0135022B1 - Bolt-type coaxial male-male connectors attaching vacuum chamber for microwave measutements - Google Patents

Bolt-type coaxial male-male connectors attaching vacuum chamber for microwave measutements

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Publication number
KR0135022B1
KR0135022B1 KR1019940030615A KR19940030615A KR0135022B1 KR 0135022 B1 KR0135022 B1 KR 0135022B1 KR 1019940030615 A KR1019940030615 A KR 1019940030615A KR 19940030615 A KR19940030615 A KR 19940030615A KR 0135022 B1 KR0135022 B1 KR 0135022B1
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KR
South Korea
Prior art keywords
vacuum chamber
vacuum
connector
coaxial
tightening screw
Prior art date
Application number
KR1019940030615A
Other languages
Korean (ko)
Other versions
KR960019857A (en
Inventor
한석길
강광용
이상렬
Original Assignee
양승택
한국전자통신연구소
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Application filed by 양승택, 한국전자통신연구소 filed Critical 양승택
Priority to KR1019940030615A priority Critical patent/KR0135022B1/en
Publication of KR960019857A publication Critical patent/KR960019857A/en
Application granted granted Critical
Publication of KR0135022B1 publication Critical patent/KR0135022B1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/16—Fastening of connecting parts to base or case; Insulating connecting parts from base or case
    • H01R9/18—Fastening by means of screw or nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/26—End pieces terminating in a screw clamp, screw or nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member

Abstract

본 발명은 계측용 진공챔버에 부착시켜 사용하는 시리얼 커넥터로서 마이크로파 및 밀리미터파 측정을 위한 진공 챔버용 나사형 메일-메일 커넥터에 관한 것으로 측정용 저온 진공챔버에 쉽게 부착할 수 있으며, 케이블과 조임나사 사이의 간극을 없애고 완벽한 봉합을 위하여 10-8까지 진공도를 유지할 수 있는 진공용 에폭시를 사용한 접합부위를 형성하여 고주파 전송특성을 잘 유지시키도록 하기 위하여 미이크로스트립형 고온초전도 마이크로파 전송선 소자(수동소자) 및 능동조사 그리고 GaAs - MMICs들의 저온 고주파 특성을 마이크로파 대역에서 밀리미터파 대역까지 측정할 수 있도록 하며 또한 계측용 진공챔버와 마이크로파 계측장비의 단자사이에서 우수한 전기적 정합을 얻고 측정시 전송신호의 단락없는 전이를 가능하게 함을 특징으로 한다.The present invention relates to a threaded male-mail connector for vacuum chamber for microwave and millimeter wave measurement as a serial connector used to attach to a vacuum chamber for measurement, and can be easily attached to a low temperature vacuum chamber for measurement. Microstrip-type high-temperature superconducting microwave transmission line device (passive device) to maintain high frequency transmission characteristics by forming junctions using vacuum epoxy that can maintain vacuum degree up to 10 -8 for perfect sealing. And active irradiation and low-frequency high-frequency characteristics of GaAs-MMICs can be measured from the microwave band to the millimeter wave band. Also, excellent electrical matching is achieved between the measuring vacuum chamber and the terminals of the microwave measuring equipment. Characterized by enabling transition .

Description

고주파 측정을 위한 진공 챔버용 나사형 동축 메일-메일 커넥터Threaded Coaxial Mail-Mail Connector for Vacuum Chamber for High Frequency Measurements

제 1도는 본 발명 진공 챔버용 나사형 동축 메일-메일 커넥터의 평면도.1 is a plan view of a threaded coaxial male-mail connector for the vacuum chamber of the present invention.

제 2도는 본 발명 조임나사부의 부분 사시도.2 is a partial perspective view of the tightening screw portion of the present invention.

제 3도는 본 발명 조임나사부의 측면도.3 is a side view of the tightening screw of the present invention.

*주요 부분에 대한 부호의 설명** Description of the symbols for the main parts *

10 : 조임나사11 : 나사산10 Tightening Screw 11 Thread

12 : 반원형 면13 : 나사머리12: semi-circular face 13: screw head

20 : 케이블21 : 마이크로파용 커넥터20 cable 21 microwave connector

22 : 밀리미터파용 커넥터30 : 고정너트22: Millimeter wave connector 30: Fixing nut

40 : 접합부위41 : 0-링40: junction 41: 0-ring

본 발명은 계측용 진공챔버에 부착시켜 사용하는 시리얼 커넥터에 관한 것으로서 특히 마이크로파 및 밀리미터파 측정을 위한 진공 챔버용 나사형 메일-메일 커넥터에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a serial connector for use in a vacuum chamber for measurement, and more particularly to a threaded mail-mail connector for vacuum chambers for microwave and millimeter wave measurements.

종래의 진공용 커넥터로 널리 사용되고 있는 것은 SMA커넥터이다. 그러나 상기 종래의 SMA커넥터는 측정 주파수 범위가 18㎓까지 밖에 되지 않으며, 이보다 높은 주파수 영역을 측정할 수 있는 커넥터는 너무 가격이 비싸고 현재까지는 진공용으로는 적합하지 않아 애로점이 많았다.The SMA connector is widely used as a conventional vacuum connector. However, the conventional SMA connector has a measurement frequency range of only 18 kHz, and a connector capable of measuring a higher frequency range is too expensive and has not been suitable for vacuum.

또한 K커넥터만을 이용한 것은 커넥터 사이의 유전체가 공기이므로 진공을 유지할 수 없어 진공용 커넥터로는 적합하지 않다.In addition, only the K connector is used as a vacuum connector because the dielectric between the connectors is air and thus vacuum cannot be maintained.

따라서 기존의 커넥터로는 저온 마이크로파 특성이 뛰어난 마이크로스트립형 초전도전송선 소자나 GaAs 기저의 고속, 고주파 소자의 특성을 20㎓이상의 대역에서는 소자들의 특성을 정확히 평가할 수 없다는 문제점이 있었다.Therefore, the conventional connector has a problem that the characteristics of the microstrip type superconducting transmission line device having excellent low temperature microwave characteristics or the high speed and high frequency devices based on GaAs cannot be accurately evaluated in the band of 20 kHz or more.

이와 같은 문제점을 개선하기 위하여 안출된 본 발명에서는 측정용 저온 진공챔버에 쉽게 부착할 수 있으며, 저렴하게 제작이 가능하면서 고주파 전송특성을 잘 유지시키는 진공챔버용 나사형 동축 메일-메일 커넥터를 제공하는데 그 목적이 있다.The present invention devised to improve such a problem can be easily attached to the low temperature vacuum chamber for measurement, and can be manufactured at low cost and provides a screw type coaxial mail-mail connector for a vacuum chamber that maintains high frequency transmission characteristics well. The purpose is.

상기 목적을 달성하기 위한 본 발명 커넥터는 마이크로스트립형 고온초전도 마이크로파 전송선 소자(수동소자) 및 능동소자 그리고 GaAs-MMICs들의 저온 고주파 특성을 마이크로파 대역에서 밀리미터파 대역까지 측정할 수 있도록 함을 특징으로 한다.The connector of the present invention for achieving the above object is to measure the low-temperature high-frequency characteristics of the microstrip high-temperature superconducting microwave transmission line element (passive element) and active element and GaAs-MMICs from the microwave band to the millimeter wave band .

본 발명은 또한 계측용 진공챔버와 마이크로파 계측장비의 단자사이에서 우수한 전기적 정합을 얻고 측정시 전송신호의 단락없는 전이를 가능하게 함을 특징으로 한다.The present invention is also characterized by obtaining an excellent electrical match between the measuring vacuum chamber and the terminals of the microwave measuring equipment and enabling a short-circuit-free transition of the transmission signal during the measurement.

이하 첨부된 도면에 의거하여 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

제 1도는 동축 커넥터의 양단에 부착하는 K형 커넥터의 형태가 메일-메일의 경우로서 밀리미터파 대역(DC∼50㎓)까지 측정이 가능한 진공용 나사형 동축 메일-메일 커넥터의 평면도이다. 본 발명은 진공용으로 제작된 것으로써 볼트부분과 너트부분의 2부분으로 대별된다.FIG. 1 is a plan view of a vacuum screw type coaxial male-male connector capable of measuring up to a millimeter wave band (DC to 50 kHz) in the case of a male-type K-type connector attached to both ends of a coaxial connector. The present invention is made for vacuum and is roughly divided into two parts, a bolt part and a nut part.

상기 볼트부분인 조임나사(10)는 관형상으로서 내부에 케이블(20)이 삽입 설치되며 외면에는 나사산(11)이 형성되어 있다.The tightening screw 10, which is the bolt portion, has a tubular shape, and a cable 20 is inserted therein and a thread 11 is formed on an outer surface thereof.

또한 측정용 진공챔버에 삽입할때 동축커넥터가 회전하는 것을 방지하기 위하여 임의의 면을 밀링하여 반원형 면(12)을 형성한 특수나사이다.In addition, it is a special screw that forms a semi-circular surface 12 by milling arbitrary surfaces to prevent the coaxial connector from rotating when inserted into the vacuum chamber for measurement.

조임나사머리(13)는 동축 커넥터를 진공챔버에 삽입시키는 볼트형 조임나사(10)을 조여주는 것으로서 진공도를 유지하기 위하여 편평도가 매우 우수하게 가공되어야 한다.Tightening screw head 13 is to tighten the bolt-type tightening screw 10 for inserting the coaxial connector into the vacuum chamber to be processed to have a very good flatness to maintain the degree of vacuum.

또한 너트부분인 고정너트(30)는 진공용 동축커넥터와 진공챔버를 연결 고정하는 작용을 한다.In addition, the fixing nut 30, which is a nut portion, functions to connect and fix the vacuum coaxial connector and the vacuum chamber.

조임나사(10)사이에는 케이블(20)이 삽입 설치되며, 상기 케이블(20)은 K형 커넥터와 연결시키는 구리 또는 스텐레스로 제작된 TEM동축 rigid cable이다.Cable 20 is inserted between the tightening screw 10, the cable 20 is a TEM coaxial rigid cable made of copper or stainless steel to connect with the K-type connector.

상기 케이블(20)과 조임나사(10)사이의 간극을 없애고 완벽한 봉합을 위하여 10-8까지 진공도를 유지할 수 있는 진공용 에폭시를 사용한 접합부위(40)를 형성하였다.The gap between the cable 20 and the tightening screw 10 was formed to form a junction 40 using a vacuum epoxy that can maintain a vacuum degree of 10 -8 for a perfect seal.

이러한 접합부위(40)에 의한 봉합기법은 케이블(20)과 볼트를 용접할 경우 생기는 문제점을 극복하고, 케이블(20)에 손상을 주지않기 위하여 행하는 것이다.The sealing technique by the joint portion 40 is to overcome the problems caused when welding the cable 20 and the bolt, and to prevent damage to the cable 20.

한편 조임나사(10)의 양단에는 밀리미터파까지 사용이 가능한 K-100 커넥터인 메일커넥터(21), (22)를 부착하여 초고주파 특성이 잘 발휘되도록 하였다.On the other hand, both ends of the tightening screw 10 have K-100 connectors, which are K-100 connectors that can be used up to a millimeter wave, are attached to each other so that ultra-high frequency characteristics can be exhibited.

또한 중심의 동축 케이블(20)은 외부 충격에도 강하고, 전송신호의 전이가 우수하도록 구리 또는 스텐레스 제품의 rigid cable을 선택하였다.In addition, the coaxial cable 20 of the center is strong against external impact, and selected a rigid cable made of copper or stainless steel so as to have excellent transmission of the transmission signal.

제 2도는 접합부위를 도시한 부분사시도로서 케이블(20)과 조임나사(10)사이에 에폭시를 봉합한 접합부위(40)를 보여주는 것으로서 진공이 깨어지지 않도록 하기 위하여 완벽하게 봉합이 이루어져야 한다.2 is a partial perspective view showing the joint portion showing the joint portion 40 in which epoxy is sealed between the cable 20 and the tightening screw 10, and the seal must be completely sealed to prevent the vacuum from breaking.

제 3도는 조임나사(10)부의 측면도로써 회전방지용 특수나사인 조임나사(10)의 일측면에 커넥터를 진공챔버에 삽입시킬 때 회전이 발생하는 것을 방지하도록 형성된 반월형면(12)의 형상을 보여주고 있다.3 is a side view of the tightening screw 10 and shows the shape of the half-walled surface 12 formed to prevent rotation from occurring when the connector is inserted into the vacuum chamber on one side of the tightening screw 10, which is a special screw for preventing rotation. Giving.

이와 같이 구성된 본 발명의 작용 및 효과를 설명하면 다음과 같다.Referring to the operation and effects of the present invention configured as described above are as follows.

본 발명은 밀리미터파 대역(DC∼50㎓)까지 측정이 가능한 진공용 동축 나사형 커넥터로서 양단에 부착되는 K형 커넥터가 메일에서 메일로 연결할 수 있도록 제작된 것이다.The present invention is a vacuum coaxial screw type connector that can measure up to a millimeter wave band (DC ~ 50 kHz) is manufactured so that the K-type connector attached to both ends can be connected by mail to mail.

접합부위(40)는 동축 케이블(20)과 조임나사(10)를 진공용 에폭시로 연결하여 진공을 대략 10-8torr까지 유지할 수 있게 하였으며 케이블(20)과 조임나사(10)를 고온으로 용접할 때 발생하는 케이블의 손상을 제거하는 효과가 있다.The joint portion 40 is connected to the coaxial cable 20 and the tightening screw 10 with a vacuum epoxy to maintain a vacuum of approximately 10 -8 torr, and the cable 20 and the tightening screw 10 are welded at a high temperature. It is effective to remove the cable damage that occurs when

케이블(20)의 양단에는 각각 설치된 K형 커넥터(21)(22)는 계측기 및 진공챔버 내부의 치구와 연결시키기 때문에 우수한 초고주파 특성을 얻을 수 있다.Since K-type connectors 21 and 22 respectively provided at both ends of the cable 20 are connected to the jig inside the measuring instrument and the vacuum chamber, excellent ultra-high frequency characteristics can be obtained.

따라서 마이크로파 및 밀리미터파 소자의 저온 고주파 특성연구에 매우 유리하다.Therefore, it is very advantageous for the study of low temperature and high frequency characteristics of microwave and millimeter wave devices.

동축케이블(20)은 rigid cable이기 때문에 고 탄력성을 가지므로 외부의 충격에 강하고 뛰어난 마이크로파 전송특성을 얻을 수 있다.Since the coaxial cable 20 has a high elasticity because it is a rigid cable, it is resistant to external shocks and obtains excellent microwave transmission characteristics.

회전방지용 특수나사인 조임나사(10)의 일측면에 형성된 반월형 면(12)은 커넥터를 진공챔버에 삽입시킬 때 회전이 발생하는 것을 방지하도록 밀링기로써 평면가공한 것이다.The half-wall face 12 formed on one side of the tightening screw 10, which is a special screw for preventing rotation, is planarly processed by a mill to prevent rotation from occurring when the connector is inserted into the vacuum chamber.

0-링(41)은 진공을 유지하는데 필수적인 부품으로써 고무로 제작된 것이며, 이용시에는 진공 그리스를 고르게 발라서 챔버벽과 접촉이 좋게 하여 진공챔버용으로 적합하도록 한 것이다.The 0-ring 41 is made of rubber as an essential part to maintain the vacuum, and in use, it is applied evenly with the vacuum grease to make contact with the chamber wall to be suitable for the vacuum chamber.

조임나사(10)는 상기 0-링(41)이 1/2정도 묻힐 수 있게 홈을 내었으며, 진공용으로 제작되었기 때문에 평면가공이 매우 좋아야한다. 이와 같은 본 발명은 마이크로파 및 밀리미터파 소자에 대해 DC-50㎓까지의 초고주파 대역뿐 아니라 극저온까지의 전송특성 평가에도 매우 유용하다.Tightening screw 10 is grooved so that the 0-ring 41 is buried about 1/2, and because it is made for vacuum, flat processing should be very good. The present invention is very useful for the evaluation of transmission characteristics up to cryogenic temperature as well as the ultra-high frequency band up to DC-50 kHz for microwave and millimeter wave devices.

즉 본 발명과 같은 시리얼 커넥터를 계측용 진공장치에 부착하여 사용하면 우수한 고주파특성도 얻을 수 있고 계측장비와도 우수한 전기적 정합뿐만 아니라 결합도 가능하므로 저온 고주파 특성평가에도 유용하고 특히 특성향상을 위한 커넥터 시장에 큰 임펙트를 줄 것이다.That is, when the serial connector of the present invention is attached to the measuring vacuum apparatus, excellent high frequency characteristics can be obtained and excellent electrical matching and coupling with the measuring equipment are also useful for low temperature high frequency characteristics evaluation, and particularly for improving the characteristics. It will have a big impact on the market.

한편 차세대 이동통신 및 위성통신(방송)용 핵심소자 및 회로로서 큰 포텐셜을 보유하고 있는 고온 초전도체를 기저로 하거나 갈륨비소를 기저로 한 고속 고주파 소자의 저온(77K) 고주파 특성평가에 크게 활용될 수 있고 다양한 형태의 고주파용 부품의 특성시험을 위한 신구조의 커넥터 제작 및 test-fixture 창출에도 큰 효과가 있다.Meanwhile, as core devices and circuits for next-generation mobile communication and satellite communication (broadcasting), it can be greatly used for low-temperature (77K) high-frequency characteristics evaluation of high-speed high-frequency devices based on high-temperature superconductors having large potentials or gallium arsenide. In addition, it has a great effect on the manufacture of new structure connector and test-fixture for the characteristic test of various types of high frequency components.

Claims (4)

저온 고주파 특성 측정용 저온장치(Cryostat)에 부착하는 커넥터로서 진공유지와 외부충격 및 전송신호에 대하여 고안정성을 얻을 수 있도록 동축 리지드 케이블(20)을 설치한 조임나사(10)의 볼트부분과;A bolt portion of a fastening screw 10 provided with a coaxial rigid cable 20 to be connected to a cryostat for measuring high temperature and low frequency characteristics so as to obtain high stability against vacuum holding and external shock and transmission signals; 상기 볼트부분인 조임나사(10)의 양쪽 단자에 각각 부착된 마이크로파 및 밀리미터파용 K형 커넥터(21), (22)와;K-type connectors (21) and (22) for microwave and millimeter wave, respectively, attached to both terminals of the tightening screw (10) which is the bolt portion; 상기 볼트부분과 결합되어 진공용 동축커넥터와 진공챔버를 연결 고정하는 작용을 하는 너트부분인 고정너트(30)로 구성됨을 특징으로 하는 진공 챔버용 나사형 도축 메일-메일 커넥터.Screw-type slaughtered mail-mail connector for the vacuum chamber, characterized in that consisting of the fixing nut 30 is coupled to the bolt portion and the nut portion that serves to connect and fix the vacuum coaxial connector and the vacuum chamber. 제 1항에 있어서,The method of claim 1, 볼트부분인 조임나사(10)는 관형상으로서 내부에 케이블(20)이 삽입설치되며, 외면에는 나사산(11)을 형성하되 측정용 진공챔버에 삽입할 때 동축커넥터가 회전하는 것을 방지하기 위하여 임의의 면을 밀링하여 반원형 면(!2)을 형성함을 특징으로 하는 진공챔버용 나사형 동축 메일-메일 커넥터.The tightening screw 10, which is a bolt part, has a tubular shape, and a cable 20 is inserted into the inside, and a thread 11 is formed on the outer surface of the bolt, so that the coaxial connector may not rotate when inserted into the vacuum chamber for measurement. Threaded coaxial male-mail connector for a vacuum chamber, characterized in that for forming a semi-circular surface (! 2) by milling the surface. 제 1항 또는 제 2항에 있어서,The method according to claim 1 or 2, 볼트부분인 조임나사(10)는 동축 커넥터를 진공챔버에 삽입시키는 볼트형 조임나사로서 편평도가 매우 우수하게 가공된 조임나사머리(13)와;Tightening screw 10, which is a bolt portion, is a bolt-type tightening screw for inserting a coaxial connector into a vacuum chamber, and a tightening screw head 13 with excellent flatness; 상기 조임나사(10)와 케이블(20) 사이의 간극을 없애고 완벽한 봉합을 위하여 10-8까지 진공도를 유지할 수 있는 진공용 에폭시를 사용한 접합부위(40)를 형성함을 특징으로 하는 진공챔버용 나사형 동축 메일-메일 커넥터.Vacuum chamber screw, characterized in that to form a joint 40 using a vacuum epoxy to remove the gap between the tightening screw 10 and the cable 20 and maintain a vacuum degree to 10 -8 for a perfect seal Death coaxial mail-to-mail connector. 제 1항 또는 제 2항에 있어서,The method according to claim 1 or 2, 조임나사(10)의 양단에는 밀리미터파까지 사용이 가능한 K-100커넥터인 메일커넥터(21), (22)를 각각 부착하며, 또한 중심의 동축 케이블(20)은 외부 충격에도 강하고, 전송신호의 전이가 우수하도록 구리 또는 스텐레스 제품의 rigid cable로 구성됨을 특징으로 하는 진공 챔버용 나사형 동축 메일-메일 커넥터.Both ends of the tightening screw 10 are attached to the K-100 connectors, male connectors 21 and 22, which can be used up to millimeter waves, and the coaxial cable 20 of the center is strong against external impact, Threaded coaxial male-mail connector for vacuum chambers, characterized by rigid cables made of copper or stainless steel for excellent transition.
KR1019940030615A 1994-11-21 1994-11-21 Bolt-type coaxial male-male connectors attaching vacuum chamber for microwave measutements KR0135022B1 (en)

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KR0135022B1 true KR0135022B1 (en) 1998-05-15

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