Abstract: A method for manufacturing a conductive contact holder includes forming, from an insulating material, a holder member for holding a plurality of conductive contacts; forming, from a conductive material, a substrate having a hollow portion to which the holder member can be fitted; and fixing the holder member formed from the insulating material by fitting the substrate into the hollow portion of the substrate formed from the conductive material.

Abstract: A probe-unit base member having high rigidity and requiring no troublesome operations for its manufacture and a probe unit are provided. To achieve the purpose, the probe-unit base member includes a conductive substrate 41 that has a first opening 41a capable of fitting therein a probe holder 3 and a second opening 41b communicated with the first opening 41a; a coating 42 that is made of an insulating adhesive agent and is coated at least on an edge of the second opening 41b; and an insulating guide member 43 that is bonded to the edge of the second opening 41b through the coating 42 and guides one of two contact bodies to a position in contact with probes 2.

Abstract: In order for a conduction path to have a reduced number of sliding portions for conduction, without increase in inductance nor resistance, thereby permitting an enhanced accuracy of inspection, a pair of plungers (3, 4) biased in opposite directions by a coil spring (2), to be electrically connected to a wiring plate (10), have electrical connections in which, in a tubular portion (15) as a tight wound spiral portion (15a) fixed on one plunger (4) to allow linear flow of electrical signal, the other plunger (3) is brought into slidable contact.

Abstract: A shape of a cross-section perpendicular to a longitudinal direction of a main body section of a conductive contact is anisotropic.

Abstract: An electrical contact member and a contact probe that are durable and economical are provided. For this purpose, an outer peripheral portion, which has a symmetrical shape with respect to a central axis in a longitudinal direction and has a hollow portion, and a core portion, which has an approximate bar shape extending in the longitudinal direction and filling the hollow portion, are included. One of the outer peripheral portion and the core portion is made of a noble metal alloy, and the other is made of a conductive material other than the noble metal alloy. The one of the outer peripheral portion and the core portion, which is made of the noble metal alloy, projects further than the other at one end portion in the longitudinal direction.

Abstract: A conductive contact holder includes a holder substrate and a holding member. The holder substrate is made of a conductive material and has an opening for holding a conductive contact for inputting and outputting a signal to and from a circuit structure. The holding member is formed by filling the opening with an insulating material, smoothing the surface of the insulating material, and forming a hole through the insulating material for inserting the conductive contact.

Abstract: A cylindrical core portion, at least a part of which is made of a noble metal alloy and which has a diameter larger than a maximum diameter of a shape obtained by lathe machining, and a hollow-cylindrical peripheral portion, which is made of a material different from the material of the core portion, are included. The core portion is arranged in a hollow portion of the peripheral portion with no space. The material applied to the peripheral portion is a free-cutting material selected from a group of, for example, free-cutting brass, free-cutting phosphor bronze, free cutting nickel silver, and free-cutting beryllium copper. The noble metal alloy applied to the core portion is, for example, alloy mainly consisting of silver, palladium, gold, platinum, zinc, copper, iron, and nickel, alloy mainly consisting of palladium, silver, and copper, or alloy mainly consisting of silver, platinum, zinc, gold, and copper.

Abstract: A probe unit includes: large diameter probes; a small diameter probes; a large-diameter probe holder having large hole portions which individually hold the large diameter probes, and hole portions which have diameters smaller than those of the large hole portions, communicate with the large hole portions, and receive end portions of the small diameter probes so that the end portions come into contact with the large diameter; and a small-diameter probe holder probes having small hole portions which individually hold the small diameter probes The central axes of the large hole portion and the small hole portion that communicate with each other are separated from each other, and the small hole portions include two small hole portions which are adjacent to each other and of which central axes are separated from each other by a distance shorter than a distance between the central axes of two large hole portions that are corresponding to the two small hole portions.

Abstract: A wiring substrate that allows wiring at a fine pitch and has a coefficient of thermal expansion close to the coefficient of thermal expansion of silicone, and a probe card that includes the wiring substrate are provided. To this end, there are provided a wiring substrate that includes a ceramic substrate having a coefficient of thermal expansion of 3×10?6 to 5×10?6/° C. and one or more thin-film wiring sheets stacked on one surface of the ceramic substrate, and a probe head on which a plurality of conductive proves are arranged in accordance with wiring on the thin-film wiring sheet, which holds individual probes while preventing the probes from coming off and allowing both ends of each probe to be exposed, and which is stacked on the wiring substrate while one end of each probe is brought into contact with the thin-film wiring sheet.

Abstract: Provided is a support member assembly suitable for use in a contact probe head comprising a support member formed with a plurality of holder holes for supporting conductive contact members in a mutually parallel relationship, and a reinforcing member integrally formed with the support member and extending in a part of the support member devoid of any holder holes. The reinforcing member increases the overall mechanical strength of the support member assembly, and prevents the thermal deformation of the support member. Because the holder holes are formed in the support member made of material suitable for forming holes, such as plastic material and ceramic material, the holder holes can be formed at high precision and at low cost.

Abstract: A method for manufacturing a conductive contact holder includes forming, from a conductive material, a substrate having a hollow portion to which a holder member for holding a plurality of conductive contacts can be fitted; fixing the substrate formed from the conductive material and an insulating member by fitting the substrate and the insulating member into the hollow portion of the substrate, the insulating member being a raw material of the holder member; polishing a surface of the fixed holder member and a surface of the substrate adjoining the surface so as to make the surfaces smooth; and forming a plurality of holder holes for containing the conductive contacts, respectively, the holder holes penetrating the holder member, the surface of which is polished. The fixing includes filling an insulating adhesive between the holder member and the substrate.

Abstract: A first needle-like member includes a columnar member formed by a conductive material such as a metal material with its up-and-down direction being longitudinal, and a contact member formed on a semiconductor integrated circuit (body to be contacted) side with respect to the columnar member, which are integrally formed. In the columnar member, a through hole is formed in the longitudinal direction of the first needle-like member. The through hole has opening ends on both sides thereof Thus, in the process of manufacturing the needle-like member, the contact member is formed on a rod-like body being a raw material from the same direction as a drill insertion direction to form the through hole.

Abstract: A connecting terminal, a semiconductor package, a wiring board, a connector, and a microcontactor that can achieve a stable contact with a contact target are provided. To achieve the object and to establish an electrical connection to a contact target by making a physical contact with the contact target, there are provided a plurality of conductive terminal-forming members each having a terminal portion, which is extended in a band shape and at least a part of a surface of which forms a curved surface. Each terminal portion is configured so that a part of which is laminated on a part of at least one terminal portion in a thickness direction. All the terminal portions may be laminated at respective tip portions in the thickness direction.

Abstract: A conductive-contact holder base accommodates at least a signal conductive-contact that is a conductive contact for performing input and output of a signal for a predetermined circuit configuration and a ground conductive-contact that is a conductive contact for supplying a ground potential to the predetermined circuit configuration. A holder base is formed of a conductive material, including a first opening for accommodating the signal conductive-contact; and a second opening for accommodating the ground conductive-contact while maintaining an electrical connection with the ground conductive-contact. An insulating member covers an inner surface of the first opening.

Abstract: A conductive contact includes a first plunger 11 which is formed approximately in a needle-shape and is formed of conductive material and of which tip portion has an axisymmetric shape; a second plunger 12 which is formed approximately in a needle-shaped and is formed of conductive material, of which tip portion 12a is oriented in a direction opposite to a tip portion 11a of the first plunger 11, and of which tip portion 12a has an axisymmetric shape with respect to an axis line same as that of the tip portion 11a of the first plunger 11; and a spring member 13 which is formed of conductive material, of which one end is in contact with the first plunger 11 and the other end is in contact with the second plunger 12, and which is extendable in a longitudinal direction, in which a base end portion 11d of the first plunger 11 and a base end portion 12d of the second plunger 12 are slidably in contact with each other.

Abstract: Provided is a support member assembly suitable for use in a contact probe head comprising a support member formed with a plurality of holder holes for supporting conductive contact members in a mutually parallel relationship, and a reinforcing member integrally formed with the support member and extending in a part of the support member devoid of any holder holes. The reinforcing member increases the overall mechanical strength of the support member assembly, and prevents the thermal deformation of the support member. Because the holder holes are formed in the support member made of material suitable for forming holes, such as plastic material and ceramic material, the holder holes can be formed at high precision and at low cost.

Abstract: A conductive contact holder includes a holder substrate and a holding member. The holder substrate is made of a conductive material and has an opening for holding a conductive contact for inputting and outputting a signal to and from a circuit structure. The holding member is formed by filling the opening with an insulating material, smoothing the surface of the insulating material, and forming a hole through the insulating material for inserting the conductive contact.

Abstract: A method for manufacturing a conductive contact holder includes forming, from an insulating material, a holder member for holding a plurality of conductive contacts; forming, from a conductive material, a substrate having a hollow portion to which the holder member can be fitted; and fixing the holder member formed from the insulating material by fitting the substrate into the hollow portion of the substrate formed from the conductive material.

Abstract: A shape of a cross-section perpendicular to a longitudinal direction of a main body section of a conductive contact is anisotropic.

Abstract: A method for manufacturing a conductive contact holder includes forming, from a conductive material, a substrate having a hollow portion to which a holder member for holding a plurality of conductive contacts can be fitted; fixing the substrate formed from the conductive material and an insulating member by fitting the substrate and the insulating member into the hollow portion of the substrate, the insulating member being a raw material of the holder member; polishing a surface of the fixed holder member and a surface of the substrate adjoining the surface so as to make the surfaces smooth; and forming a plurality of holder holes for containing the conductive contacts, respectively, the holder holes penetrating the holder member, the surface of which is polished. The fixing includes filling an insulating adhesive between the holder member and the substrate.