[미국특허]
Binding member for coaxial cable and an electric connector for coaxial cable both using resin solder, and a method of connecting the binding member to coaxial cable or the electric connector
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01R-009/05
H01R-004/02
H01R-012/04
H05K-001/11
B32B-001/08
출원번호
US-0114198
(2002-04-01)
우선권정보
JP-0102645 (2001-03-30)
발명자
/ 주소
Hosaka, Taiji
Miyazawa, Masaaki
출원인 / 주소
J.S.T. Mfg. Co., Ltd.
인용정보
피인용 횟수 :
2인용 특허 :
41
초록▼
To easily connect a coaxial cable to electric connecting devices or a printed circuit board, to prevent the conductors of the cable from being disturbed, to secure the shielding performance of the signal line, and to enable connection of a very fine wire by means of an automatic machine, a binding m
To easily connect a coaxial cable to electric connecting devices or a printed circuit board, to prevent the conductors of the cable from being disturbed, to secure the shielding performance of the signal line, and to enable connection of a very fine wire by means of an automatic machine, a binding member for a coaxial cable is formed into a tubular piece that is arranged to cover the outer conductor or the centered conductor which is exposed from the insulating covering of the cable. This binding member is made of a lead-free ultrahigh-conductive plastic resin composite. An electric connector for a coaxial cable has electric contacts, which each have a receiving port into which the binding member is inserted.
대표청구항▼
1. A binding device by itself in an initial condition thereof not solder-connected with a coaxial cable, the binding device being adapted for binding a prepared end of the coaxial cable, which includes an outer insulating cover, an outer conductor arranged coaxially inside the outer insulating cover
1. A binding device by itself in an initial condition thereof not solder-connected with a coaxial cable, the binding device being adapted for binding a prepared end of the coaxial cable, which includes an outer insulating cover, an outer conductor arranged coaxially inside the outer insulating cover with an exposed end portion of the outer conductor being exposed from the outer insulating cover, an inner insulation arranged coaxially inside the outer conductor, and an inner conductor arranged coaxially inside the inner insulation with an exposed end portion of the inner conductor being exposed from the inner insulation, wherein:the binding device comprises a first binding member, the first binding member has a tubular shape with a hollow central hole in the initial condition in which the first binding member has not been melted and solder-connected onto the coaxial cable, the first binding member in the initial condition is configured and dimensioned to be arranged directly on, to be physically and electrically contacted directly with, and to circumferentially cover the exposed end portion of a selected conductor among the outer conductor and the inner conductor of the coaxial cable, and the first binding member consists of a lead-free ultrahigh-conductive plastic resin composite comprising a thermoplastic resin, a lead-free solder that has a melting temperature no higher than that of the thermoplastic resin so that the lead-free solder melts when the thermoplastic resin is plasticated, and a metal powder that assists a fine dispersion of the lead-free solder in the thermoplastic resin or a mixture of the metal powder and metal short fibers. 2. The binding device according to claim 1, wherein the first binding member in the initial condition is configured and dimensioned to be arranged directly on, to be physically and electrically contacted directly with, and to circumferentially cover the exposed end portion of the outer conductor of the coaxial cable.3. The binding device according to claim 2, wherein the tubular shape of the first binding member in the initial condition is a cylindrical sleeve shape, and the hollow central hole of the first binding member is a cylindrical continuous through-hole.4. The binding device according to claim 1, wherein the first binding member in the initial condition is configured and dimensioned to be arranged directly on, to be physically and electrically contacted directly with, and to circumferentially cover the exposed end portion of the inner conductor of the coaxial cable.5. The binding device according to claim 4, wherein the tubular shape of the first binding member in the initial condition is a cylindrical cup shape, and the hollow central hole of the first binding member is a cylindrical blind hole that is open at only one end of the first binding member.6. A method of connecting the binding device according to claim 1 to the coaxial cable, comprising:arranging the first binding member, in the initial condition, on the exposed end portion of the selected conductor of the coaxial cable; and passing electricity through and between the first binding member and the selected conductor so as to melt the lead-free solder in the first binding member and thereby solder-connect the first binding member to the selected conductor of the coaxial cable. 7. The binding device according to claim 1, wherein:the first binding member in the initial condition is configured and dimensioned to be arranged directly on, to be physically and electrically contacted directly with, and to circumferentially cover the exposed end portion of the outer conductor of the coaxial cable, the binding device further comprises a second binding member, the second binding member has a tubular shape with a hollow central hole in the initial condition in which the second binding member has not been melted and solder-connected onto the coaxial cable, the second binding member in the initial condition is configured and dimensioned to be arranged directly on, to be physically and electrically contacted directly with, and to circumferentially cover the exposed end portion of the inner conductor of the coaxial cable, and the second binding member consists of the lead-free ultrahigh-conductive plastic resin composite. 8. The binding device according to claim 7,wherein the tubular shape of the first binding member in the initial condition is a cylindrical sleeve shape, and the hollow central hole of the first binding member is a cylindrical continuous through-hole; and wherein the tubular shape of the second binding member in the initial condition is a cylindrical cup shape, and the hollow central hole of the second binding member is a cylindrical blind hole that is open at only one end of the second binding member. 9. A combination of the binding device according to claim 7 with the coaxial cable,wherein the first binding member in the initial condition is arranged directly on, is physically and electrically contacted directly with and circumferentially covers the exposed end portion of the outer conductor of the coaxial cable, and wherein the second binding member in the initial condition is arranged directly on, is physically and electrically contacted directly with and circumferentially covers the exposed end portion of the inner conductor of the coaxial cable. 10. An electric connector for a coaxial cable, incorporating the binding device according to claim 7, wherein the electric connector comprises:an insulating housing; a conductive first electric contact that has a first receiving port therein and that is secured in the insulating housing; a conductive second electric contact that has a second receiving port therein and that is secured in the insulating housing; the first binding member, in the initial condition, of the binding device according to claim 7 inserted into and contacted with the first receiving port of the first electric contact; and the second binding member, in the initial condition, of the binding device according to claim 7 inserted into and contacted with the second receiving port of the second electric contact. 11. A method of electrically connecting the electric connector according to claim 10 on the prepared end of the coaxial cable, comprising:arranging the first binding member, in the initial condition, on the exposed end portion of the outer conductor; arranging the second binding member, in the initial condition, on the exposed end portion of the inner conductor; inserting the first binding member into the first receiving port of the first electric contact; inserting the second binding member into the second receiving port of the second electric contact; and carrying out at least one of: a) passing electricity through and between the first electric contact, the first binding member and the outer conductor so as to melt the lead-free solder in the first binding member and thereby solder-connect the first binding member to the first electric contact; and b) passing electricity through and between the second electric contact, the second binding member and the inner conductor so as to melt the lead-free solder in the second binding member and thereby solder-connect the second binding member to the second electric contact.
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