Abstract: An electrical connector comprises an outer shell, at least one pin, and an insulating seal. The outer shell includes at least one side wall defining a cavity and having an inner surface. The outer shell is formed from electrically conductive material. The pin is positioned within the cavity and is also formed from electrically conductive material. The insulating seal is configured to provide electrical isolation of the pin and fills the cavity between the inner surface of the side wall and the pin. The insulating seal is formed from glass doped with a transition metal oxide.

Abstract: An electrical connector includes at least one insert (10), the insert including: a front part (13) and a rear part (16) at least partially made of thermoplastic material, and a plurality of cavities (20) passing through from one side to the other of the front part and the rear part of the insert, each cavity being capable of receiving an electrical contact (30), a protection element (18) placed between the front part (13) and the rear part (16) and made of a flame-insensitive material capable, under the effect of high temperature, of maintaining a predefined distance between the electrical contacts.

Abstract: Each feed-through pin of a multiple-phase, high voltage plug-pin connector comprises at least one conductor having a first insulation layer extending along at least part of its length, the insulation layer having an enlarged, load-bearing portion of non-circular cross-section having oppositely directed projections, configured for engagement in a correspondingly shaped bore portion of the connector shell. The load-bearing portions may be of a rhomboidal cross sectional shape with rounded corners, with a first diagonal length shorter than a second diagonal length. The pins are spaced around the central longitudinal axis of the shell with the shorter diagonal of each load-bearing portion extending radially and the oppositely directed projections extending into the radial spaces in the shell between adjacent pins. This arrangement allows space within a limited diameter feed through hole for the enlarged, load-bearing shoulder portions of the insulation layer.

Abstract: A high-pressure-resistant hermetic seal terminal includes an eyelet which has a through hole and a lead which is electrically insulated and hermetically sealed via a glass material in the through hole. The glass material is welded in a manner to extend on a lower surface of the eyelet from an end of the through hole to surroundings of the end of the through hole. Preferably, the eyelet has a counterbore, in the lower surface, extending in a region around and surrounding the through hole, and the glass material is welded to the inside of the counterbore.

Abstract: In order to connect together the conductors of the leadthroughs of an electrical leadthrough module in a dependable and simple manner, the invention specifies an electrical leadthrough module that comprises at least two separated electrical leadthroughs, each with at least one conductor passing through an insulating element and protruding on both sides of the insulating element, wherein the conductors of the electrical leadthroughs are connected electrically together by a rod arranged to be axially displaceable with respect to the conductors.

Abstract: An electrically conductive pin comprising a pin stern and a pin head attached to the pin stem. The pin head is adapted to be mounted onto a surface of a microelectronic substrate to support the pin stem. The pin head has an underside surface defining a continuous curve configured to allow gases to escape from a pin-attach solder region adjacent the underside surface.

Abstract: There is disclosed a contact pin assembly for a high voltage electrical connection, the contact pin assembly comprising: an electrically-conductive outer member which is supportable from a support member, the outer member having a bore extending therethrough, the bore defining a smooth inner face of the outer member and being divergent towards opposite ends of the outer member; a contact pin, ends of which are arranged to be connected directly or indirectly to cables, the contact pin extending through the bore and having a profiled portion which defines a smooth outer face of the contact pin and which is divergent towards opposite ends of the contact pin, the contact pin being concentric with the bore; an electrically-conductive layer provided adjacent the inner face, the electrically-conductive layer being in electrical communication with the outer member and conforming with the profile of the inner face; an annular space between the profiled portion and the electrically-conductive layer; electrical insulati

Abstract: An electron beam apparatus comprises a TDI sensor 64 and a feed-through device 50. The feed-through device has a socket contact 54 for interconnecting a pin 52 attached to a flanged 51 for separating different environments and the other pin 53 making a pair with the pin 52, in which the pin 52, the other pin 53 and the socket contact 54 together construct a connecting block, and the socket contact 54 has an elastic member 61. Accordingly, even if a large number of connecting blocks are provided, the connecting force may be kept to such a low level as to prevent the breakage in the sensor. The pin 53 is connected with the TDI sensor 64, in which a pixel array has been adaptively configured based on the optical characteristic of an image projecting optical system. That sensor has a number of integration stages that can reduce the field of view of the image projecting optical system to as small as possible so that a maximal acceptable distortion within the field of view may be set larger.

Abstract: An electronic device comprises a circuit board which has a through hole and uses a resin with a glass transition temperature exceeding 150° C. as a base member, a metal casing which has an opening, and a connector which is fitted to the opening of the metal casing in which a pin of the connector is inserted into the through hole, the pin and the through hole are connected with a conductive member, and a reinforcement member for securing the connector and the board is further provided on the conductive member, thereby improving the reliability of the electronic device.

Abstract: A hermetic pressure connector which provides a pressure-tight, electrically conductive connection through a hole in a bulkhead. The connector includes a transverse support member having a high pressure side and an opposite low pressure side. A passage extends through the transverse support member between the opposite sides. A conductor pin having an axial portion extends through the passage. An insulating sleeve surrounds at least the axial portion of the conductor pin, thereby electrically insulating the transverse support member from the conductor pin. A molded connected body surrounds at least a central portion of the conductor pin at least at one of the high and low pressure sides to thereby mechanically support the conductor pin in the passage. The molded connector body is directly sealingly engaged with the conductor pin, the insulating sleeve and the transverse support member.

Abstract: An electrical insulator preferably for medium and high voltages surrounds an interior space. Electrically active elements can be introduced into the interior space of the electrical insulator. In order to reduce the heat transfer between the interior space and the environment of the electrical insulator, the insulator contains thermally insulating areas.

Abstract: An RF feed-through connector has a single pin or multi-pins supported and hermetically sealed between a first portion of the connector facing the hermetically sealed interior portion of an electronics-containing housing and a second portion of the connector exposed to ambient conditions in which the electronics-containing housing is placed. The invention is particularly directed to a new hermetically sealed RF feed-through connector architecture in which the connector's outer shell contains a relatively low coefficient of thermal expansion (CTE) portion that enables it to be soldered to a low CTE insert that supports one or more hermetically sealed longitudinal signal pins. The connector's outer shell also includes a relatively high CTE portion that allows the shell to be readily joined as by welding to an adjacent support structure, such as a relatively high CTE aluminum housing and the like.

Abstract: An electron beam apparatus comprises a TDI sensor (64) and a feed-through device (50). The feed-through device has a socket contact (54) for interconnecting a pin (52) attached to a flanged (51) for separating different environments. The other pin (53) making a pair with the pin (52) and the socket contact (54) together construct a connecting block, and the socket contact (54) has an elastic member (61). The pin (53) is connected with the TDI sensor (64), in which a pixel array has been adaptively configured based on the optical characteristic of an image projecting optical system. That sensor has a number of integration stages that can reduce the field of view of the image projecting optical system. Further, the number of integration stage may be determined such that the data rate of the TDI sensor would not be reduced but the number of pins would not be increased as much as possible. Preferably, the number of line count may be almost equal to the number of integration stages.

Abstract: A method and apparatus for electrically interfacing between two or more distinct environments. The method and apparatus are directed to an electrical feedthru with one or more electrical transmission lines coated with one or more thin dielectric layers of material to insulate the transmission lines from a feedthru body. The dielectric layers may include a diamond-like carbon coating, which electrically insulates, but also thermally conducts. The use of thin dielectric layers facilitates smaller, more efficient electrical feedthrus. Therefore, the electrical feedthru may be used, for example, with MEMS devices. The electrical feedthru is not limited to any particular geometry, it may be adapted to fit between any two environments.

Abstract: A coaxial connector including an outer conductor, a glass to metal seal (GMS) assembly, and a center conductor, is disclosed. The outer conductor has a tubular shape and defines longitudinal axis. Here, the center conductor and the GMS assembly are coupled before they are placed within the outer conductor. When the GMS assembly is coaxially placed within the outer conductor, the GMS assembly and the outer conductor define a variable gap enclosure. Fusing agent such as solder is placed within the variable gap enclosure. A bead is inserted into the outer conductor surrounding the center conductor and engaging the center conductor at a circumferential slot. The slide-on dielectric bead provides support for the center conductor and maintains the center conductor's position within the outer conductor and its characteristic impedance throughout.

Abstract: An RF feed-through connector has a single pin or multi-pins supported and hermetically sealed between a first portion of the connector facing the hermetically sealed interior portion of an electronics-containing housing and a second portion of the connector exposed to ambient conditions in which the electronics-containing housing is placed. The invention is particularly directed to a new hermetically sealed RF feed-through connector architecture in which the connector's outer shell contains a relatively low coefficient of thermal expansion (CTE) portion that enables it to be soldered to a low CTE insert that supports one or more hermetically sealed longitudinal signal pins. The connector's outer shell also includes a relatively high CTE portion that allows the shell to be readily joined as by welding to an adjacent support structure, such as a relatively high CTE aluminum housing and the like.

Abstract: A method and apparatus for electrically interfacing between two or more distinct environments. The method and apparatus are directed to an electrical feedthru with one or more electrical transmission lines coated with one or more thin dielectric layers of material to insulate the transmission lines from a feedthru body. The dielectric layers may include a diamond-like carbon coating, which electrically insulates, but also thermally conducts. The use of thin dielectric layers facilitates smaller, more efficient electrical feedthrus. Therefore, the electrical feedthru may be used, for example, with MEMS devices. The electrical feedthru is not limited to any particular geometry, it may be adapted to fit between any two environments.

Abstract: The invention relates to a device for ducting electrical lines through the wall of a fuel tank (1), whereby a steel support (3) is materially connected to the wall of the fuel tank (1). Contacts (4) are introduced through the support (3). The contacts (4) have a sleeving (5) made from glass or ceramic. A leakage of fuel vapors from the fuel tank (1) is thus almost completely excluded.

Abstract: The invention relates to a method for production of a gas-tight ducting for a contact (4) through a wall (12), in particular in a fuel tank and a device for said ducting. According to the method, the contact is placed in a tool form (1), in which a partial region of the contact (4) is surrounded by a cover (9) made from an insulating material. The cover (9) is then directly or indirectly connected to the wall (12). According to the invention, the device embodies the contact (4) and the cover (9) thereof as a unitary construct.

Abstract: A terminal assembly and terminal installation. In one embodiment, the terminal assembly includes a body having a longitudinal opening therethrough and a shoulder. The terminal assembly is installed in an aperture adapted to receive and join the body to a wall with a joining process material. The terminal assembly includes a current-conducting pin extending longitudinally through the opening in the body, and a dielectric seal between the body and the pin. The shoulder of the body is configured to prevent the migration of debris toward the pin during installation.

Abstract: A hermetically sealed connector and method for providing the same is provided. Generally, the connector contains a header having a series of pins secured therein, wherein the header has an upper portion that extends in a direction perpendicular to a central axis of a pin within the series of pins. The header also has a lower lip portion that extends in a direction perpendicular to the upper lip portion. The connector also contains an outer body having a series of clearance layers therein that are defined by an inner wall of the outer body, wherein each clearance layer within the series of clearance layers has an associated diameter, and wherein the header is connected to a first portion of the inner wall via a solder joint that extends from the lower lip portion of the header to the first portion of the inner wall. The first portion of the inner wall also has at least two different diameters.

Abstract: This invention aims to provide a through terminal capable of maintaining air-tightness stably and an X-ray tube having the through terminal. The through terminal includes a tubular member, a plate member formed of an insulating ceramic material and bonded to an inner periphery of the tubular member in a hermetically sealed state, and pins extending through the plate member so that the portions thereof fitted through the plate member are located inside metallic tubes respectively and bonded to the plate member in a hermetically sealed state through the tubes. The tubular member is provided on an inner periphery thereof with a stepped portion for abutment thereagainst of a plate face of the plate member. The tubular member is formed of an alloy including at least iron, nickel, and cobalt.

Abstract: A glass-metal leadthrough that is useful, for example, for an ignition device of an airbag. The glass-metal leadthrough has two parallel metal pins sealed in a glass stopper on a part of their length, so that they project outwardly from both sides of the stopper beyond its front sides. A cover piece is disposed on one of the front sides and provides a metal contact between one of the pins and a metal sleeve that surrounds the glass stopper.

Abstract: A hermetic pressure connector for providing a pressure-tight, electrically-conductive connection through a hole in a bulkhead. The connector includes a transverse support member having a passage therethrough. A conductor pin extends through the passage. A molded body surrounds at least a central portion of the pin and electrically insulates the transverse support member from the pin and the pin from the bulkhead. The molded body is directly sealingly engaged to the conductor pin. A method of making a hermetic pressure connector for providing a pressure-tight, electrically-conductive connection through a hole in a bulkhead. The method includes placing a conductor pin into a passage in a transverse support member and positioning the conductor pin and transverse support member within an injection mold having the desired finished shape of the molded body. The positioning is such that the conductor pin is spaced from the transverse support member.

Abstract: A glass-sealed electrical fitting for an automotive fuel tank is mounted on a flange which supports an internal fuel pump and fuel level sensor within the fuel tank. In one form, the glass seal surrounds a plurality of pins longitudinally disposed within an elongated housing which penetrates a fuel tank wall. An outer surface of the housing engages rigidly to the flange, and an inner surface of the housing engages to the glass seal. In another form each pin is sealed to a housing by a separate glass seal.

Abstract: A hermetic terminal assembly including a body member with a bottom portion and a surrounding boundary or flange portion with at least one current conducting pin sealed in an opening in the bottom portion. The hermetic terminal assembly may include an over-surface stratum or disk disposed in close fit relation in said body member in facing relation with said bottom and flange portions and/or an electrically insulating coating.

Abstract: A motor-driven compressor is provided with a power supply terminal secured to a metallic housing and electrically connected to a power source. The power supply terminal includes a base secured to the metallic housing, a conductive element secured to the base, and an insulator for insulating the conductive element from the base. A portion of the conductive element and a portion of the insulator that are located inside the metallic housing are covered with an insulating resinous cover.

Abstract: A terminal assembly for a hermetic compressor having a shell includes a terminal block secured to the shell. A terminal fence surrounds the terminal block and is also fixedly secured to the shell. An intermediate gasket sealingly engages both the shell and the terminal block. A power plug is electrically connected to the terminal block and sealingly engaged by the intermediate gasket. A terminal block cover is secured to the shell in order to retain the connection between the various components. The terminal assembly once properly installed is capable of sealing the electrical connection for the compressor from direct contamination by high humidity and salt water spray normally experienced during trans-oceanic shipping.

Abstract: A hermetic terminal assembly including a body member with a bottom portion and a surrounding boundary or flange portion with at least one current conducting pin sealed in an opening in the bottom portion and an over-surface stratum or disk disposed in close fit relation in said body member in facing relation with said bottom and flange portions and having disk retention means therefore, and preselectively sized and positioned fuse-like burn-off apertures in the current conducting pin to interrupt current conductivity at selected times, temperatures and amperage density.

Abstract: A hermetic compressor assembly including a housing; an electric motor disposed in the housing; a compression mechanism disposed in the housing and operatively coupled to the motor; a terminal assembly comprising a terminal body extending through and sealingly attached to the housing, at least one elongate conductor pin having interior and exterior ends, the interior pin end located inside the housing, the exterior pin end located outside the housing, and an insulator disposed between the pin and the terminal body, whereby the pin is electrically insulated from the terminal body by the insulator; a lead wire extending between the motor and the interior pin end, the lead wire having an electrical connection to the pin, the motor and the pin electrically connected by the lead wire, the lead wire having an insulative jacket; and an insulative covering which extends between the terminal body and the lead wire jacket, the insulative covering covering at least a portion of the terminal body, the insulator, the elect

Abstract: A hermetic terminal assembly including a body member with a bottom portion and a surrounding boundary or flange portion with at least one current conducting pin sealed in an opening in the bottom portion and an over-surface stratum disposed in said body member in close proximity facing relation with said bottom and boundary portions, and having stratum holding material therefor.

Abstract: A durable, broad-band low insertion loss RF feedthrough is formed of a straight conductor (5) centrally supported by, hermetically sealed to and axially extending through the center of a strong, rigid, impervious ceramic disk (3). The ceramic disk is hermetically sealed, directly or indirectly, to the metal barrier (11) through which the feedthrough is to propagate RF energy. The new ferrule and ferrule-less ceramic metal RF feedthroughs avoid the use of glass, conventional in existing feedthroughs. The novel feedthrough serves as the principal element of a microwave microstrip line to waveguide transition.

Abstract: A metal support element having electronic components or circuit supports, in particular hybrid circuits, the connections of which are guided through from the component side, via a plurality of connector pins melted into glass passthroughs, to the opposite side of the support element. The connector pins are glass-mounted into pin blocks produced independently of the support element. The pin blocks are inserted into associated cutouts of the support element and fastened therein. The arrangement and number of the connector pins in the pin blocks can thereby be flexibly adapted to particular requirements with no need for modifications to the design of the support element. The material and the geometrical properties of the pin blocks can be optimally adapted to the glass-mounting process of the connector pins, while the material of the support element can be matched to the coefficient of thermal expansion of the attached circuit support.

Abstract: A feedthrough (34) is formed of a feedthrough plate (44) having at least one bore (46) therethrough and a feedthrough pin (48) hermetically sealed into the bore (46). The feedthrough pin (48) includes an elongated pin (50) having an axis of elongation (52), a recess (54) in at least one end of the pin (50), the recess (54) extending parallel to the axis of elongation (52), and a gold coating (56) within the recess (54). There are preferably a plurality of bores (46) in the feedthrough plate (48) and a corresponding plurality of the feedthrough pins (48). The gold coatings (56) at the ends of the feedthrough pins (48) are desirably lapped to ensure coplanarity and a smooth surface finish especially suited for wire bonding or tab bonding.

Abstract: A hermetic terminal assembly has a plurality of conductor pins which define integral fusible links (36). A unique plug is provided which both separates the individual wires (70) leading to the conductor pins and allows, in cooperation with a fence or with the shell (21) of the compressor (10), for the restriction of access to the conductor pins while the conductor pins are connected to a power source. This unique plug also allows for the positioning of the integral fusible link on the outside of the shell (12) thus resolving the problems associated with compromising the integrity of the shell (12) upon separating of the fuse-like link (36). In addition, the plug insures that the conductor pins are maintained in an electrical isolated fashion should the fuse-like link (36) separate. The fence can be formed as a separate member or alternately to be integral with the terminal body.

Abstract: A hermetic terminal cover is arranged to be mounted onto a hermetic terminal of, such as, a closed-type compressor. The hermetic terminal cover has terminal caps for covering respective terminal strips of the hermetic terminal. Each terminal strip includes a terminal pin fixedly passing through a metallic base with an insulator interposed therebetween. The terminal caps are mutually connected by flexible ribs each having a curved shape, and preferably an arc shape. Accordingly, each terminal cap has a high degree of positional or displacement freedom to facilitate mounting of the terminal cap onto the corresponding terminal strip. Further, each terminal cap has an increased thickness at a portion corresponding to an exposed surface of the insulator holding the terminal pin. Accordingly, adverse affection of metallic powders, such as, generation of short circuits and sparks between the terminal pins and the metallic base is effectively prevented.

Abstract: In accordance with this invention, a hermetically sealed transition joint for use with a microwave package which has a receptacle including a side wall made of a first weldable material with a feed-through opening therein. The transition joint includes a first layer of a first material sized to extend across the feed-through opening and weldable to the side wall to form a hermetic seal. A second layer of a second material is explosively bonded to the first layer and sized to match and be received within the feed-through opening. A connector opening extends through the first and second layers. A pin connector unit made of the second material and having electrical pins extending therethrough is sized to fit within the connector opening and is welded to the second layer to form a hermetic seal. The first layer may be aluminum or aluminum alloy and the second layer can be any one of Kovar, cold rolled steel, stainless steel or iron-nickel alloy. Conveniently, the welding is done by laser welding.

Abstract: A lamp with re-enforced tubular base pins is disclosed. A less expensive, high quality, high wattage lamp may be formed with re-enforced tubular base pins. The lamp comprises a lamp envelope having an enclosed means for producing light, a light transmissive envelope, and at least two electrical connections, a ceramic lamp base for holding the lamp envelope, and the two tubular pins. Each pin comprises an electrically conductive tube having an exterior surface along which a compressive coupling may be made, and an interior surface defining an internal volume. A fill cement is positioned in the internal volume of each base pin at least along the portions opposite where compressive coupling may be made to the exterior surface of the pin.

Abstract: A terminal block assembly for connection to the interior side of an electrical hermetic terminal of a hermetic compressor is disclosed. The hermetic terminal comprises a cup-shaped metallic body member having a plurality of conductor pins which extend through spaced apertures in the body member and are hermetically secured thereto by means of a glass insulating material. A cylindrical open end of the cup-shaped body member is exposed to the interior of the housing. The terminal block assembly comprises a main body member and a lid member. The main body member includes a cylindrical side wall portion that fits snugly within the open end of the terminal body member. The conductor pins extend through apertures in a round bottom wall of the main body member into partitioned channels in which the conductor pins are electrically connected to respective wire conductors. The lid member interlocks with the main body member to cover the partitioned channels.

Abstract: A housing for a hermetically sealed bulkhead connector is machined of an integral metal member to have a precisely planar bulkhead-engaging surface of a mounting section extending peripherally around a contact support section disposed within a hood section extending through a cutout of the bulkhead. The housing also is machined to have precisely planar surfaces of a contact support section to facilitate assembly of contacts precisely concentrically disposed in passageways through the support section and securing therein by glass seals to comprise a parallel contact array. The housing is free of joints between the several sections which could provide sites for breaching the hermetic nature of the housing. No steps are performed which involve impacting or striking the housing which could disturb the precise planarity of the several precisely machined surfaces. The contact positions may be identified by laser etched indicia.

Abstract: A circuit protection device that can be incorporated into a coaxial cable connector for protecting the circuit from a voltage transient, comprises an annulus 11 that has a central aperture for receiving a central conductor, e.g. pin, of the connector. The annulus is electrically insulating and has a central electrode (12) for connection to the connector pin and a peripheral electrode (14) for connection to the connector housing and the coaxial cable screen. A portion of the electrodes overlie each other and are separated from each other by a layer of semiconductor switching material (16). For example, a chalcogenide glass switching material (16) may be evaporated onto a small projecting area (15) of the central electrode, followed by a small circular area (17) of copper, and the deposited copper area (17) may be wire bonded to the rest of the peripheral electrode (14) by wire bridge (18).

Abstract: The terminal for encapsulated glazing having coverings or equipment requiring an electric power supply. The terminal, for example of the hollow rivet type, is fastened, particularly by soldering or brazing, in the area of the edges of the glazing on a zone having a conductive covering, embedded in the encapsulation material of the glazing. The terminal makes it possible to supply power to the heating glazings.

Abstract: An electrical connector assembly for use with a nuclear power plant pressurizer heater includes an external metal shell having a base end and a connection end with a header located internally of the shell intermediate the two ends. Connector pins extend from end to end of the shell passing through apertures in the header. About the pins there is placed a high voltage insulator such as a ceramic material extending on either side of the header. The base end of the connector is filled with an insulative reinforcement material completely surrounding the pins. The connection end is filled with a granular thermally stable insulative material and closed by connection to a heater assembly. The base end of the connector may also include an external flexible covering of insulative material to further protect the pins and reinforcement material from hydroscopic contamination.

Abstract: A hermetic terminal assembly for a motor unit housing including a cup-shaped body, the bottom of which has a rim and at least one hole defining an annular sealing lip extending in the same direction therefrom through which hole an electrical connection pin extends in sealed relation thereto with the pin insulated by a protective insulating extension sleeve bonded to a sealing insulator, the extension sleeve being formed relative the sealing insulator member and lip extremity to contact the outer periphery of the lip to remove possible sealing insulator cracking to a position removed from the pin.

Abstract: The invention concerns a hermetic coaxial connector of the type intended to be attached to a panel to ensure hermetic coaxial traverse of said panel, comprising a central conductive contact housed with interposition of an insulator in a housing, forming an external conductor, provided with means of attachment to a panel, a sealing joint between the external conductor and the panel, and an insulating glass bead sealed to the central contact and to an annular ring housed at least partly in a recess of the housing. The ring presents a staggered configuration comprising an axial annular span connected by the glass sealing bead (7) to central contact (5), an axial span in contact with a corresponding span of the housing, a radial span supported against the corresponding span of the housing and a radial span in contact with the sealing joint (11) interposed between the ring and the panel (2).

Abstract: An outlet terminal connector for electrical circuitry contained within a hermetically sealed housing. The connector includes a tubular shell having a threaded end portion composed of steel for releasably engaging a threaded mating cable connector and a base end portion composed of a different metal suitable for welding to the material of the housing. The connector shell is fabricated as a unitary assembly from a two layer explosively bonded laminate, one layer of which comprises steel and the other layer of which comprises the material of the connector base end portion.

Abstract: A glass-sealed electrical fitting for an automotive fuel tank is mounted on a flange which supports an internal fuel pump and fuel level sensor within the fuel tank. In one form, the glass seal surrounds a plurality of pins longitudinally disposed within an elongated housing which penetrates a fuel tank wall. An outer surface of the housing engages rigidly to the flange, and an inner surface of the housing engages to the glass seal. In another form each pin is sealed to a housing by a separate glass seal.