Abstract: A system for performing bonding of a first substrate including a first plurality of solder pads to a second substrate including a second plurality of solder pads comprises a first alignment mark set and a first plurality of dots on the first substrate. The system further comprises a second alignment mark set and a second plurality of dots on the second substrate. The second plurality of dots are configured to interlock and form an interlocking key with the first plurality of dots. The first alignment mark set is aligned with the second alignment mark set corresponding to the first and second plurality of dots being aligned and the first and second plurality of solder pads being aligned. The first and second plurality of dots are configured to remain substantially solid during a reflow of the first plurality of solder pads.

Abstract: A two-terminal temperature sensor connects a first end of thermistor or other thermometer device to a first electrical terminal via an inner compression coil. A second electrical terminal is connected to a second end of the thermistor via an outer compression coil and a formed conductor. The inner compression coil and thermistor are positioned within the formed conductor. The inner compression coil and thermistor are prevented from contact with the formed conductor by an inner insulating tube. The first and second electrical contacts are mounted in a molded terminal assembly that insulates the electrical contacts from one another. The entire assembly is housed within a housing that is electrically isolated from the formed conductor and outer compression coil via an outer insulating tube and an insulating disk.

Abstract: A magnetic detection apparatus can be improved in its product yield. The magnetic detection apparatus includes a resin compact having a the magnet arranged in opposition to an object to be detected for generating a magnetic field, an IC chip with a magnetic detection part built therein for detecting a change in the magnetic field in accordance with movement of the object to be detected, and an IC package in which a lead frame having the IC chip installed thereon is sealed with a resin. A method for manufacturing such a magnetic detection apparatus includes a signal adjustment step for adjusting a signal generated from the magnetic detection part in a state in which the magnetic field is applied to the magnetic detection part to correct a deviation of the signal of the magnetic detection part generated in accordance with a relative displacement between the magnetic detection part and the magnet.

Abstract: A magnetic detection apparatus can be improved in its product yield. The magnetic detection apparatus includes a resin compact having a the magnet arranged in opposition to an object to be detected for generating a magnetic field, an IC chip with a magnetic detection part built therein for detecting a change in the magnetic field in accordance with movement of the object to be detected, and an IC package in which a lead frame having the IC chip installed thereon is sealed with a resin. A method for manufacturing such a magnetic detection apparatus includes a signal adjustment step for adjusting a signal generated from the magnetic detection part in a state in which the magnetic field is applied to the magnetic detection part to correct a deviation of the signal of the magnetic detection part generated in accordance with a relative displacement between the magnetic detection part and the magnet.

Abstract: For manufacturing a housing for sensor elements, a pliable material is introduced into the environment of the sensor element (2) by an injection molding process. In a first process step, the sensor element is injection-encapsulated by a soft plastic component (1), and in a second process step a hard plastic component (5) is applied thereon, which forms the outer housing for the sensor element (2). The sensor element (2) is provided with at least two connection leads (11), which are at least partially encapsulated by the soft plastic component (1). A sensor manufactured according to the process, especially a temperature sensor, is provided with a measuring resistor as a sensor element (2) on a substrate with an electrically conducting surface and the resistance layer situated thereon. The measuring resistor is encased by the soft plastic component (1), which in turn is encapsulated in a hard plastic component serving as a housing.

Abstract: A high precision power resistor having the improved property of reduced resistance change due to power is disclosed. The resistor includes a substrate having first and second flat surfaces and having a shape and a composition; a resistive foil having a low TCR of about 0.1 to about 1 ppm/° C. and a thickness of about 0.03 mils to about 0.7 mils cemented to one of the flat surfaces with a cement, the resistive foil having a pattern to produce a desired resistance value, the substrate having a modulus of elasticity of about 10×106 psi to about 100×106 psi and a thickness of about 0.5 mils to about 200 mils, the resistive foil, pattern, type and thickness of cement, and substrate being selected to provide a cumulative effect of reduction of resistance change due to power. The present invention also provides for a method of producing a high precision power resistor.

Abstract: An electrical temperature sensor has a platinum-containing resistance layer as a measuring resistor, which is applied on the electrically insulating surface of a ceramic substrate. For protection against contamination or damage, the resistance layer is provided on its side facing away from the ceramic substrate with an intermediate layer as a diffusion barrier layer. In a first embodiment, a platinum layer as an electrode is applied on the intermediate layer spaced from the resistance layer. The electrode protects the measuring resistance against platinum poisons, such as stray silicon ions, which could emerge, for example, from a passivation layer made of glass. In a second embodiment, the electrical temperature sensor is provided with a multiple layer, wherein a covering layer is applied on the intermediate layer as a passivation layer made of glass. Also in this embodiment, an electrode in the form of a platinum layer can be applied spaced from the resistance layer.

Abstract: The invention relates to a temperature detecting apparatus and an automobile using the same, and is intended to improve the heat response characteristic.

Abstract: A temperature measurement system provides improved thermal sensors, including thin film and wire wound RTD's having fast and accurate measurement response times. Thermal sensor housing materials are matched to those of the material being measured, thereby minimizing the use of interface potting materials that would otherwise impose a thermal gradient. A screw-in mounting stabilizes a connection between the housing and the material being measured. Double and triple shielded thermal devices are provided to filter RFI and EMI. Improved surface measurements of high temperatures are obtained by incorporating a thermal mass into thermocouple housing designs. Additionally, a unique stain relief is disclosed.

Abstract: An electrical resistance temperature sensor (11) contained in a stainless steel, tubular jacket (12), which has a very small diameter of approximately 1 mm, a platinum resistance coil (18) running between two joining bolts (14, 19). The resistance coil with a positive temperature characteristic of the resistance is placed in an embedding medium (17), which comprises a mixture of magnesium oxide or aluminium oxide and cerium dioxide.For use as an integrating temperature sensor for a catalytic converter, said adequately flexible temperature sensor can be wound into a roll of smooth and corrugated metal sheets and fixed by soldering in vacuo.

Abstract: A temperature measurement system provides improved thermal sensors, including thin film and wire wound RTD's having fast and accurate measurement response times. Thermal sensor housing materials are matched to those of the material being measured, thereby minimizing the use of interface potting materials that would otherwise impose a thermal gradient. A screw-in mounting stabilizes a connection between the housing and the material being measured. Double and triple shielded thermal devices are provided to filter RFI and EMI. Improved surface measurements of high temperatures are obtained by incorporating a thermal mass into thermocouple housing designs. Additionally, a unique stain relief allowing access to sensor leads and wire leads by a side opening, prior to adding doping compound and a conductive outer sheath, is described.

Abstract: A thermistor positioned within a tubular probe adjacent its closed distal end has lead wires connected with terminals by both crimp and weld connections that are independent of one another. A non-rigid heat transfer medium fills the distal end portion of the probe in surrounding relationship to the thermistor. An opening in the sensor housing leads to the interior of the probe and receives a dielectric sleeve in which tail end portions of the terminals are positioned.

Abstract: A thermal protector using a polymeric PTC element, with broad upper and lower surfaces, sandwiched between and held in intimate mechanical and electrical contact over substantially its entire broad surfaces with inner broad surfaces of upper and lower plate-terminals. Electrical insulation between the upper and lower plate-terminals outside the areas of contact of the plate-terminals and the PTC element electrically insulates the upper and lower plate-terminals from one another. The plate-terminals are clamped mechanically, preferably in such a way that the PTC element is biased continuously against the broad surfaces of the plate-terminals.

Abstract: A thermometer probe or pyrometer for measuring the temperature in low-convection media is disclosed, which has a temperature-dependent resistor, a receiving sleeve which receives the resistor and a holding device. The resistor is covered by heat conducting material. The receiving sleeve is constructed as an elongated, thin-walled, tubular sleeve of poor heat conducting material and surrounds an elongated air chamber, through which are passed the leads to the temperature-dependent resistor.

Abstract: Temperature sensor in plug form comprises a plastic body member having a bore with a metallic sensing member in one end, a thermistor in the bore, and a contact member with a spring portion in the bore and a contact portion extending through a slot in the body member from the bore to the other end of the body. Contact portion has electrical terminal for wire attachment and spring portion maintains contact with thermistor. Sensing member has retaining arms which extend into grooves in threaded cylindrical surface of body which are threaded as body is screwed into place in an engine block.

Abstract: The invention is a temperature probe including an elongated electrically conductive housing having one closed end and one open end. Electrically connected to the inner surface of the closed end is one lead of a thermistor, the second lead of which is connected to the inner conductor of a coaxial cable extending into the open end of the housing. The outer conductor of the cable is electrically connected to the housing near its open end in such a manner as to compress the cable within the housing and induce longitudinal deformation thereof. The compression of the cable within the housing insures that the first thermistor lead is in intimate contact with the closed end of the housing when an electrical connection is made therebetween, preferably by a heliarc welding operation.

Abstract: A temperature detecting device comprising a protective tube means having a flat inner bottom surface and a top opening end with a resilient metallic member positioned inside the tube for holding a thermistor. The resilient metallic member has a bottom surface essentially parallel to the bottom surface of the protective tube means which is in substantial surface contact with that bottom surface. The metallic member further has a remaining portion essentially perpendicular to the bottom portion and slightly longer than the distance between the bottom surface and the top opening of the tube means. A thin layer of metal, softer than the metal from which the member is made, is positioned between the bottom portion member and the bottom surface of the tube. The thermistor is mounted on the remaining portion of the member.

Abstract: A high temperature sensor in which a mixture of a metal fluoride composition and magnesium oxide is filled with pressure into a cylindrical case forming one electrical terminal for supporting a conductive rod forming the other electrical terminal, the high temperature sensor being prevented from malfunction of the sensor due to any vibration and having a high response speed for temperature detection to a change of temperature of the atmosphere.

Abstract: A tape cord thermometer in which a disposable tape acts as the conducting means between a thermometer probe and a reading device.

Abstract: A device for detecting both low level and excessively high temperature of oil in an internal combustion engine or other oil container. The device consists of a semiconductive material which exhibits a peak electrical resistivity at a predetermined temperature. The semiconductive material is mounted on the interior bottom surface at the closed end of a metal cup which is suitably mounted and immersed in the fluid whose level and temperature are to be monitored. The semiconductive material is connected in series with a power supply and indicator light. If, at any point over a broad range of temperatures, such as -50.degree. F to +300.degree. F, the level of the liquid drops such that it does not contact the cup sufficiently the normal current flowing in the circuit will heat the semiconductive material past its peak resistivity thereby driving the current in the circuit past the level required to light the bulb and indicate a problem (herein a problem of low level).

Abstract: A drawer type electrode of a thermistor for sensing high temperatures, wherein a shaft and a sheath are connected to a thermistor, is constructed such that the shaft and the sheath are brought into contact with the positive and negative electrode surfaces of the thermistor through precious metal chips so that electrical connection between the precious metals, the shaft and the sheath will not be impaired in any way even if oxidation penetrates into the interior from the shaft and the sheath surface due to high temperature.

Abstract: A temperature-measuring device has an elongated tubular housing in one of ose closed ends is received a noise-temperature resistor having at least one side connected via a wire constituting a thermocouple element to a lead connected to temperature-measuring apparatus. The other side of the noise-temperature resistor is connected to the tubular housing which therefore constitutes the other element within the housing and connected via leads to apparatus without the housing. The thermocouple element or elements may extend from the noise-temperature resistor outside the housing, or may be wholly contained within the housing and connected via a pair of leads to apparatus outside the housing.