PURPOSE:To increase the fetch angle and collecting stereoscopic angle of an X-ray in the state for horizontally holding a specimen in a scanning electron microscope by forming annular non-dispersion type detector and disposing it in the vicinity of an electron beam/route so that electron beam passes inside the detector. CONSTITUTION:Non-dispersion type X-ray detector 19 is formed annularly and disposed in the vicinity of electron beam route so that the beam passes inside the detector 19. A detector retaining plate 14 thermally integrally formed with an external cooling tank 15 is disposed, for example, between a specimen 12 in a specimen chamber 10 under an objective lens 6 and a magnetic pole 8 under the lens, and an annular semiconductor X-ray detecting element 19 of Si or the like deposited with Be thin film on the detecting surface thereof is buried on the back surface of the edge in a hole 18 for passing the electron beam as formed at the plate 14. Thus, the X-ray can be detected at an X-ray fetch angle near 90 deg. in narrow space without necessity of inclining the specimen 12, and X-ray collecting stereoscopic angle is increased to enhance the detecting sensitivity of an electron microscope.

1,070,878. Semi-conductor circuits. TEKTRONIX Inc. Jan. 7, 1966 [Jan. 19, 1965], No. 893/66. Heading H3T. In a pulse delaying circuit, particularly for use in a sampling oscilloscope, a ramp waveform 60 is generated by charging a capacitor 36 which is normally clamped by a gating transistor 18 having an anti-saturation circuit. Trigger pulses are derived at 48 from the Y deflection waveform at 46 and are differentiated at 50 before being used to trigger two tunnel diode bi-stable circuits 54, 26. The output from tunnel diode 26 turns off gating transistor 18 and allows capacitor 36 to charge via a constant current transistor 10 so as to provide a ramp waveform 60. When the ramp voltage 60 exceeds that of a staircase waveform from 64, comparator diode 62 becomes conductive, triggering a further bi-stable tunnel diode 68 the output from which is differentiated at 72 to provide a pulse at 82 which may trigger an avalanche transistor sampling circuit. The constant current via transistor 10 is arranged to arm the tunnel diode 68 so as to improve its triggering stability. The response of the gating transistor 18 is improved by an anti-saturation circuit 40, 28. The circuit is reset after a time, adjustable by switches 38, 86, by a monostable multivibrator 84. The comparison of waveforms 60 and 64 enables different portions of the vertical input signal waveform to be sampled at successive times. The sampled signals are stored and displayed as a lower frequency waveform on a cathode-ray oscilloscope.

658,961. Cathode-ray tubes. RADIO COR- .PORATION OF AMERICA. Sept. 29, 1947, No. 26288. Convention date, Sept. 27, 1946. [Class 39 (i)] The target electrode of a cathode-ray storage tube comprises a conducting element, a first layer of insulating material and a second layer of insulation material joining the first layer to the conducting layer, electrons with a sufficient velocity impinging on and passing through the first layer to produce a trapped charge image which can be sensed by electrons impinging on said target with less than the said sufficient velocity. The target comprises a metal plate 1 having thereon a peaked layer 21 of high dielectric material of several times the thickness which stops electrons of less than 5000 volts e.g. a barium and strontium titanate mixture applied by settling from a suspension. A thin film of collodion is applied by immersing in water and applying a drop or so of collodion which spreads over the tops 5 of the titanate crystals. A silicon dioxide film 4 is formed by evaporation, and on subsequent heating the silicon dioxide layer settles on to the crystal peaks 5 and the collodion is evaporated. The target T is mounted in a tube 7 with two electron guns 8, 9 with corresponding electromagnetic or electrostatic scanning units 10, 11. Gun 8 produces an electron beam B1 having velocities greater than 5000 v., and gun 9 a beam B2 with velocities below 5000 v. The unit 10 of the put-on beam B1 scans radially from saw-tooth generators G1, rotation of the deflection yoke changing the radial direction and the unit 11 is connected to saw-tooth generators G2. Signals are applied to the put-on beam B1 in which the electrons are fast enough to penetrate the silica layer 4 and build up a charge image on the back of the silicate layer by secondary emission from the titanate layer 2, the secondary electrons being too weak to pass through silica layer. The take-off beam B2 liberates secondary electrons from the silica layer (which it does not penetrate) and requires a large number of scansions to remove the charge laid down by B1. Signals taken from the collector anode 12 or from the signal plate 1 are fed to a kinescope and built up to a bright image. The target may be photosensitive so that a map or printed information may be projected thereon, e.g..in a radar system.

1,088,940. Electrostatic motors. ROSEMOUNT ENGINEERING CO. Nov. 25, 1964 [Nov. 26, 1963], No. 47994/64. Heading H2A. [Also in Division G1] In a transducer, a tube of non-circular crosssection is supported at one or more positions which constitute nodal points when the tube is vibrated at its natural frequency, the tube being adapted to be subjected to a differential pressure. The transducer may be used for the measurement of pressure or temperature, or as a frequency standard. As shown, Fig. 1, a flattened tube 10 with closed ends is vibrated in a transverse mode at its natural frequency by an electrical drive circuit comprising two plates 41, 44, equidistantly disposed between the flat surfaces of the tube near one end thereof, and a feedback amplifier 55. A test pressure is applied to the interior of the tube via a capillary tube at 29; this pressure determines the natural frequency of vibration, and a signal from terminals 36, 58 is fed to a frequencymeasuring device (not shown) to give an indication of the pressure. Tube 10 is supported by the capillary tube and by tensioned wires at nodal points on lines 12, 13 for vibration at the fundamental frequency; if a harmonic of the natural frequency is utilized, corresponding nodal support points are used. Conductive weights may be fixed to each end of tube 10 to add mass thereto. If the tube is mounted vertical, support at a single nodal point will suffice; in Fig. 5 (not shown) an elliptical tube (62) is held vertical by the capillary tube (64) used to admit the test pressure, the driving plates (68, 69) being located near the end of the tube adjacent the support. In a modification (Figs. 6, 7, not shown), a flattened tube (70) is supported vertical at a node by a capillary tube (71) and a tensioned wire (74), the tube being steadied at a lower node by pointed screws (84, 85) in supports (79, 80), which latter also provide mountings for driving plates (41, 44). If the driving-plates are displaced to one side of the longitudinal axis of the tube, the latter will vibrate in a torsional mode, either horizontally (Figs. 13, 14, not shown) or vertically (Figs. 15, 16, not shown); the support for the tube may be located at a point on the transverse axis or at points where the longitudinal axis bisects the ends of the tube (Fig. 28, not shown). By mounting dumb-bell weights to each end of the tube (Figs. 18-20, not shown), the weights being of a different metal from that of the tube, some temperature compensation is achieved. The vibrating tube may be filled with oil or other liquid (Fig. 21, not shown), the test pressure being applied to a diaphragm to compress the oil. An electromagnetic drive may replace the electro-static arrangement. In Figs. 9, 10 and Fig. 11 (not shown), respectively, the transversely vibrated tube comprises a tuning- fork and an inverted U-tube of magnetic material having in each case a driving and pick-up coil between the ends of its tines; in Fig. 22 (not shown) a U-shaped coil-bearing core has polepieces shaped to conform to one side of an elliptical tube of magnetic material to vibrate it torsionally. In a piezo-electric embodiment (Figs. 24-27, not shown) the vibrating tube is made of quartz with four longitudinal metallized strip electrodes, and is connected in a Pierce oscillator to determine the frequency of oscillation thereof. Instead of the test-pressure being admitted to the interior of the tube (in any embodiment), the tube may be sealed and supported within a housing to which the test pressure is admitted (Figs. 8A, 8B, 17, not shown); in Figs. 29-31 (not shown) an openended tube is supported at its nodes (for transverse vibration) by diaphragms, the portion of the tube between the diaphragms being enclosed in a gas-tight container for subjection to exterior pressure therein. Mono-crystalline semi-conductor material, e.g. Ge, Si, InSb, GaSb, SiC, may be used for the vibrating tube in some embodiments.

1358354 Automatic fault indication VEREINIGTE FLUGTECHNISCHE WERKEFOKKER GmbH 30 May 1972 [29 May 1971] 25318/72 Heading H2K [Also in Divisions F4 and H1] In fault-detecting equipment having pilot lamps which light up and/or flash when a fault occurs, each pilot lamp includes a light-emitting semi-conductor diode arranged behind a light diffusing screen. A switch 10 has a printedcircuit board 14 with three gallium arsenide diodes, a coloured filter 16 and a diffusing plate 17. Alternatively a single diode may be mounted on a printed circuit 141. A fault detecting circuit uses luminous constructions 23 which comprise three lightemitting diodes 15 forming a pilot lamp 20, a transistor 22 whose base is connected to a fixed potentiometer formed by Zener diode 26 and a resistance 27 and resistances 24, 25 which control the intensity of light from the diodes by coupled switches 75, 76. When a fault occurs, relay 28, preferably a reed switch, switches the diodes 15 on in pilot lamp 20 and the fault signal is also fed through resistance 60 and diode 61 to a switching stage 50 and a delay unit 40. After a delay, relay 35 is closed and the multivibrator 30 activated thus flashing the main warning lamp 21. The main warning lamp 21 does not flash if the fault lasts only a short time. When the signal of the main warning lamp 21 has been recognized it may be switched off by closing switch 70 or 71. This activates the thyristor 63 thus blocking the fault signal coming through resistance 60. (For Figures see next page.)

A method of manufacturing a plastic coding disk or a coding ruler uses a plastic sheet that has transmittancy over 90% and can sustain high temperature up to 120 degree Celsius as a base; furthermore, the thickness of the base is less than 0.5mm and is preferably made of polyester (PET) or polycarbonate (PC). First, a layer of chromel-alumel thin film of approximately 1μm is vapor deposited on the base; subsequently, a photo resisting agent is coated on top of the chromel-alumel thin film, forming a layer of photo resisting film of 1 to 3 um in thickness; a film master plate with optical grating pattern of a coding disk or a coding ruler drawn by a light plotting machine is placed on the photo resisting film, followed by a photo sensitization under the exposure of a parallel light irradiation; the un-sensitized photo resisting film is then washed away; after soaking and etching the plastic sheet in an etching solution for several tens of seconds, sensitized photo resisting film is washed away so as to complete the fabrication of the optical grating pattern of the coding disk or the coding ruler; finally, a disc-shaped coding disk or a strip-shaped coding ruler used for an encoder or an optical ruler is made by placing the optical grating pattern in an optical stamping machine and punching it with automatic alignment.

To search for a material that can inhibit selectively a methyl mercaptan odor.SOLUTION: A methyl mercaptan odor inhibitor evaluation and/or selection method includes measuring the response of at least one olfactory receptor polypeptide selected from the group consisting of OR4S2 after test material addition and a polypeptide having the same function as that, in the presence of metal ions.SELECTED DRAWING: None 【課題】メチルメルカプタン臭を選択的に抑制することができる物質の探索。【解決手段】試験物質添加後のＯＲ４Ｓ２及びこれと同等の機能を有するポリペプチドからなる群より選択される少なくとも１種の嗅覚受容体ポリペプチドの応答を金属イオン存在下で測定することを含む、メチルメルカプタン臭抑制剤の評価及び／又は選択方法。【選択図】なし

1,098,523. Radio or radar receivers. CSFCOMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. Jan. 8, 1965 [Jan. 9, 1964], No. 941/65. Heading H3Q. In a superhet radio or radar receiver, having local oscillations supplied to the mixer 2 from an harmonic generating frequency multiplier 8 driven by a variable frequency oscillator 6, at least one circuit for measuring the frequency of the incoming signals is provided by feeding the signals direct via one channel and via a channel including a frequency dependent phase shifter to a device 24 which provides a ratio of the signals from the two channels which is measured by a further means 22 to determine the frequency. The output from the phase-measuring device 24 is fed to a frequency indicator 22. The frequency of the oscillator 6 can be controlled manually by 71 or can be modulated by 72. The output from the mixer 2 is fed to a utilization apparatus 5, e.g. headphones or a loud-speaker via an I.F. amplifier 3 and detector 4. In a modified arrangement (Fig. 2, not shown), for direct detection of video signals the output from the mixer is also fed to a low frequency amplifier (36) interposed between the detector 4 and the apparatus 5 via a video amplifier (33) and L.F. filter 34. In a further receiver (Fig. 4, not shown), the phase-measuring device 24 is replaced by a hybrid junction (42) the two outputs of which are each fed via a separate mixer (51, 52) and amplifier (53, 54) to a circuit network (56). The two outputs from this circuit are fed via limiting amplifiers (57, 58) to a phase-sensitive circuit (59) and to a detector (60). The output from the phasesensitive circuit (59) is fed via a comparator (61) to a utilization apparatus or memory or indicating circuit (62) which is connected to the oscillator control circuit 7. The detector (60) can feed a measuring apparatus or an audible or visual alarm (55). Also the output from one of the mixers may feed the detector (60) via a video amplifier and a frequency tripler (81) is interposed between the oscillator and harmonic multiplier. The multiplier may consist of a diode arrangement and the oscillator 6 may use entirely semi-conductor devices.