摘要:
A gas sensor device may include a gas sensor integrated circuit (IC) having a gas sensing surface, and bond pads adjacent to the gas sensing surface, and a frame having gas passageways extending therethrough adjacent the gas sensing surface. The gas sensor device may include leads, each having a proximal end spaced from the frame and bonded to a respective bond pad, and a distal end extending downwardly from the proximal end, and encapsulation material filling the space between the proximal ends of the leads and the frame.
摘要:
Device for emitting and guiding an infrared radiation comprising a waveguide (1) and means (5) for emitting an infrared radiation (R), characterized in that said means (5) for emitting an infrared radiation (R) are formed at the surface or inside the waveguide (1), in such a way that the radiation emitted is transmitted to the waveguide (1) which transports it.
摘要:
A parallel plate dimensional electrical mobility separator and laminar flow water condensation provide rapid, mobility-based particle sizing at concentrations typical of the remote atmosphere. Particles are separated spatially within the electrical mobility separator, enlarged through water condensation, and imaged onto a CCD array. The mobility separation distributes particles in accordance with their size. The condensation enlarges size-separated particles by water condensation while they are still within the gap of the mobility drift tube. Once enlarged the particles are illuminated by a laser. At a pre-selected frequency, typically 10 Hz, the position of all of the individual particles illuminated by the laser are captured by CCD camera. This instantly records the particle number concentration at each position. Because the position is directly related to the particle size (or mobility), the particle size spectra is derived from the images recorded by the CCD.
摘要:
Methods for depositing materials on patterned substrates, and related devices, are generally provided. In some embodiments, a material is deposited on a patterned substrate. In certain embodiments, the substrate comprises a first portion with a material deposited on the first portion and a second portion of the substrate essentially free of the material. The methods described herein may be useful in fabricating sensors, circuits, tags, among other devices. In some cases, devices for determining analytes are also provided.
摘要:
A gas sensor (200) in which individual ones of connection terminals (30) have, at a rear end portion, a first connection portion (31) connected to a corresponding connector terminal (60). Individual ones of the connector terminals have, at an end portion on a side toward separator (40), a second connection portion (61) connected to the first connection portion. One of the first and second connection portions assumes the form of an insertion piece (61g), and the other assumes the form of a female portion (31g) into which the insertion piece is inserted. At least one of the insertion piece and the female portion has an elastic portion (31a). The insertion piece is fitted into the female portion, and the elastic portion thereby elastically bends, whereby the first and second connection portions are elastically connected.
摘要:
A gas sensor includes a sensor housing, and a sensing element located within the sensor housing, the sensing element defining an axis and having a distal end extending from the sensor housing. The gas sensor further includes a sensor protection element coupled to the sensor housing and at least partially surrounding the distal end of the sensing element. The sensor protection element includes a tube, the distal end of the sensing element located within the tube, the tube including a window located along a side of the tube adjacent the distal end of the sensing element. The sensor protection element further includes a fabric layer positioned adjacent the window, the fabric layer spaced from the sensing element and extending generally parallel to the axis.
摘要:
Provided is an apparatus for extracting, analyzing, and storing gas in a drilled core on a ship. The apparatus includes: a needle for core insertion inserted into the drilled core to allow the gas in the drilled core to the outside; and a first 3-way valve into which the gas passing through the needle for core insertion is introduced and which controls the introduced gas so as to be supplied to a gas storing container or gas analyzing apparatuses positioned on a ship.
摘要:
The disclosed concept pertains to systems and methods for improving diagnostics in preventing inverter faults and determining the likelihood or occurrence of inverter faults. The disclosed concept includes employing one or more sensors capable of sensing and measuring one or more of magnetic field, temperature, vibration and humidity of the inverter. The measured values of these parameters are compared to previously obtained values or threshold values to determine whether action is required to preclude an inverter fault or cease operation in response to the occurrence of an inverter fault.
摘要:
The invention relates to a leak detector comprising a first sensor for detecting a gas component (helium) in a gas taken in. Because the sensor is susceptible to saturation or contamination, a second sensor is provided. The sensor is a thermal conductivity sensor. The thermal conductivity sensor has a lower detection sensitivity, yet, at a high concentration of the gas component, it does not risk being contaminated. The two sensors together allow for a large detection range, from extremely sensitive measurements to instances with high concentrations of the gas components as those which can occur with gross leaks.
摘要:
A gas sensor package comprises a gas sensor chip with a layer sensitive to a gas, and with a heater for heating the sensitive layer. Contact pads are provided for electrically contacting the gas sensor package and a die pad is provided for mounting the gas sensor chip to. Electrical connections connect the gas sensor chip and the contact pads. A molding compound at least partially encloses the gas sensor chip. An opening in the molding compound provides access to the sensitive layer of the gas sensor chip. One of the contact pads serves as a pin for supplying electrical current to the heater of the gas sensor chip.