Abstract: An austenitic Fe—Ni—Cr alloy comprises C: 0.005˜0.03 mass %, Si: 0.17˜1.0 mass %, Mn: not more than 2.0 mass %, P: not more than 0.030 mass %, S: not more than 0.0015 mass %, Cr: 18˜28 mass %, Ni: 21.5˜32 mass %, Mo: 0.10˜2.8 mass %, Co: 0.05˜2.0 mass %, Cu: less than 0.25 mass %, N: not more than 0.018 mass %, Al: 0.10˜1.0 mass %, Ti: 0.10˜1.0 mass %, Zr: 0.01˜0.5 mass %, and the balance being Fe and inevitable impurities; wherein Cr, Mo, N and Cu satisfy PRE=Cr+3.3×Mo+16×N?20.0 and PREH=411-13.2×Cr-5.8×Mo+0.1×Mo2+1.2×Cu?145.0 and wherein Al, Ti, and Zr satisfy 0.5?Al+Ti+1.5×Zr?1.5, and has an excellent corrosion resistance in air or under a wet environment even at a surface state having an oxide film formed by an intermediate heat treatment.

Abstract: High-Mn austenitic stainless steels having a chemical composition comprising C: 0.02-0.12 mass %, Si: 0.05-1.5 mass %, Mn: 10.0-22.0 mass %, S: not more than 0.0028 mass %, Ni: 4.0-12.0 mass %, Cr: 14.0-25.0 mass % and N: 0.07-0.17 mass % with the balance being Fe and inevitable impurities, provided that these components are contained so that ? cal represented by the following equation is not more than 5.5%: ? cal (mass %)=(Cr+0.48Si)?(Ni+0.11Mn?0.0101Mn2+26.4C+20.1N)?4.7, wherein each element symbol in the equation is a content of the respective element (mass %), and having a magnetic permeability of not more than 1.003 under a magnetic field of 200 kA/m.

Abstract: A motor driving device includes a clock oscillator configured to generate a clock signal; and a logic unit configured to receive the clock signal, control conduction of a 3-phase brushless direct current (DC) motor, and generate a revolutions per minute (RPM) detection signal. The clock oscillator is configured to switch an oscillation frequency of the clock signal depending on an RPM command signal input to set a target RPM of the 3-phase brushless DC motor.

Abstract: An austenitic Fe—Ni—Cr alloy comprises C: 0.005˜0.03 mass %, Si: 0.17˜4.0 mass %, Mn: not more than 2.0 mass %, P: not more than 0.030 mass %, S: not more than 0.0015 mass %, Cr: 18˜28 mass %, Ni: 21.5˜32 mass %, Mo: 0.10˜2.8 mass %, Co: 0.05˜2.0 mass %, Cu: less than 0.25 mass %, N: not more than 0.018 mass %, Al: 0.10˜4.0 mass %, Ti: 0.10˜1.0 mass %, Zr: 0.01˜0.5 mass %, and the balance being Fe and inevitable impurities; wherein Cr, Mo, N and Cu satisfy PRE=Cr+3.3×Mo+16×N?20.0 and PREH=411-13.2×Cr-5.8×Mo+0.1×Mo2+1.2×Cu?145.0 and wherein Al, Ti, and Zr satisfy 0.5?Al+Ti+1.5×Zr?1.5, and has an excellent corrosion resistance in air or under a wet environment even at a surface state having an oxide film formed by an intermediate heat treatment.

Abstract: A motor driving device includes a clock oscillator configured to generate a clock signal; and a logic unit configured to receive the clock signal, control conduction of a 3-phase brushless direct current (DC) motor, and generate a revolutions per minute (RPM) detection signal. The clock oscillator is configured to switch an oscillation frequency of the clock signal depending on an RPM command signal input to set a target RPM of the 3-phase brushless DC motor.

Abstract: High-Mn austenitic stainless steels having a chemical composition comprising C: 0.02-0.12 mass %, Si: 0.05-1.5 mass %, Mn: 10.0-22.0 mass %, S: not more than 0.0028 mass %, Ni: 4.0-12.0 mass %, Cr: 14.0-25.0 mass % and N: 0.07-0.17 mass % with the balance being Fe and inevitable impurities, provided that these components are contained so that ? cal represented by the following equation is not more than 5.5%: ? cal (mass %)=(Cr+0.48Si)?(Ni+0.11Mn?0.0101Mn2+26.4C+20.1N)?4.7, wherein each element symbol in the equation is a content of the respective element (mass %), and having a magnetic permeability of not more than 1.003 under a magnetic field of 200 kA/m.

Abstract: High-Mn austenitic stainless steels having a chemical composition comprising C: 0.02-0.12 mass %, Si: 0.05-1.5 mass %, Mn: 10.0-22.0 mass %, S: not more than 0.0028 mass %, Ni: 4.0-12.0 mass %, Cr: 14.0-25.0 mass % and N: 0.07-0.17 mass % with the balance being Fe and inevitable impurities, provided that these components are contained so that ? cal represented by the following equation is not more than 5.5%: ? cal (mass %)=(Cr+0.48Si)?(Ni+0.11Mn?0.0101Mn2+26.4C+20.1N)?4.7, wherein each element symbol in the equation is a content of the respective element (mass %), and having a magnetic permeability of not more than 1.003 under a magnetic field of 200 kA/m.

Abstract: As a stainless steel for a metal part for clothing ornament capable of working into a complicated form part and having such nonmagnetic properties that the worked part can cope with the detection through needle detecting device is provided a high-Mn austenitic stainless steel having a chemical composition comprising C: 0.02-0.12 mass %, Si: 0.05-1.5 mass %, Mn: 10.0-22.0 mass %, S: not more than 0.03 mass %, Ni: 4.0-12.0 mass %, Cr: 14.0-25.0 mass % and N: 0.07-0.17 mass %, provided that these components are contained so that ? cal (mass %) represented by the following equation (1) is not more than 5.5 mass %: ? cal (mass %)=(Cr+0.48Si+1.21Mo+2.2(V+Ti)+0.15Nb)?(Ni+0.47Cu+0.11Mn?0.0101Mn2+26.4C+20.1N)?4.7??(1) and having a magnetic permeability of not more than 1.003 under a magnetic field of 200 kA/m.

Abstract: An austenitic Fe—Ni—Cr alloy comprises C: 0.005˜0.03 mass %, Si: 0.15˜1.0 mass %, Mn: not more than 2.0 mass %, P: not more than 0.030 mass %, S: not more than 0.002 mass %, Cr: 18˜28 mass %, Ni: 20˜38 mass %, Mo: 0.10˜3 mass %, Co: 0.05˜2.0 mass %, Cu: less than 0.25 mass %, N: not more than 0.02 mass %, provided that PRE=Cr+3.3×Mo+16×N?20.0 and PREH=411?13.2×Cr?5.8×Mo+0.1×Mo2+1.2×Cu?145.0 (wherein each element symbol represents a content (mass %) of each element) and has an excellent corrosion resistance in air or under a wet environment even at a surface state having an oxide film formed by a intermediate heat treatment on the way of the production process.

Abstract: A holding tool 2 for use in producing of laminated glass includes a frame 3, a bag member 4 and a supporting member 6b for suspending the bag member 4 from the frame 3. The bag member 4 is made of a film with flexibility and airtightness, is provided with a sealable opening and has evacuating ports 7a and 7b in the vicinity of an periphery of a flat shape thereof having the periphery sealed. The frame 3 has a first frame member 3w and a second frame member 3y opposing each other and disposed outside the periphery of the bag member 4, and the bag member 4 is suspended by the supporting member 6b movably against the frame 3 on a holding face formed at least by the first frame member 3w and the second frame member 3y inside an area formed by connecting ends of these frame members.

Abstract: A holding tool 2 for use in producing of laminated glass includes a frame 3, a bag member 4 and a supporting member 6b for suspending the bag member 4 from the frame 3. The bag member 4 is made of a film with flexibility and airtightness, is provided with a sealable opening and has evacuating ports 7a and 7b in the vicinity of an periphery of a flat shape thereof having the periphery sealed. The frame 3 has a first frame member 3w and a second frame member 3y opposing each other and disposed outside the periphery of the bag member 4, and the bag member 4 is suspended by the supporting member 6b movably against the frame 3 on a holding face formed at least by the first frame member 3w and the second frame member 3y inside an area formed by connecting ends of these frame members.

Abstract: A holding tool 2 for use in producing of laminated glass includes a frame 3, a bag member 4 and a supporting member 6b for suspending the bag member 4 from the frame 3. The bag member 4 is made of a film with flexibility and airtightness, is provided with a sealable opening and has evacuating ports 7a and 7b in the vicinity of an periphery of a flat shape thereof having the periphery sealed. The frame 3 has a first frame member 3w and a second frame member 3y opposing each other and disposed outside the periphery of the bag member 4, and the bag member 4 is suspended by the supporting member 6b movably against the frame 3 on a holding face formed at least by the first frame member 3w and the second frame member 3y inside an area formed by connecting ends of these frame members.

Abstract: A rotation speed detection circuit includes an internal clock generation portion which receives an input of a period signal whose period varies in accordance with rotation speed of a motor and generates an internal clock signal having a predetermined number of pulses in one period of the period signal, and an internal clock counter portion which counts the number of pulses of the internal clock signal for a predetermined period every one period of the period signal and delivers a count value thereof as a digital data signal.

Abstract: A holding tool 2 for use in producing of laminated glass includes a frame 3, a bag member 4 and a supporting member 6b for suspending the bag member 4 from the frame 3. The bag member 4 is made of a film with flexibility and airtightness, is provided with a sealable opening and has evacuating ports 7a and 7b in the vicinity of an periphery of a flat shape thereof having the periphery sealed. The frame 3 has a first frame member 3w and a second frame member 3y opposing each other and disposed outside the periphery of the bag member 4, and the bag member 4 is suspended by the supporting member 6b movably against the frame 3 on a holding face formed at least by the first frame member 3w and the second frame member 3y inside an area formed by connecting ends of these frame members.

Abstract: As a stainless steel for a metal part for clothing ornament capable of working into a complicated form part and having such nonmagnetic properties that the worked part can cope with the detection through needle detecting device is provided a high-Mn austenitic stainless steel having a chemical composition comprising C: 0.02-0.12 mass %, Si: 0.05-1.5 mass %, Mn: 10.0-22.0 mass %, S: not more than 0.03 mass %, Ni: 4.0-12.0 mass %, Cr: 14.0-25.0 mass % and N: 0.07-0.17 mass %, provided that these components are contained so that ? cal (mass %) represented by the following equation (1) is not more than 5.5 mass %: ? cal (mass %)=(Cr+0.48Si+1.21Mo+2.2(V+Ti)+0.15Nb)?(Ni+0.47Cu+0.11Mn?0.0101Mn2+26.4C+20.1N)?4.7??(1) and having a magnetic permeability of not more than 1.003 under a magnetic field of 200 kA/m.

Abstract: The present invention aims at effectively decreasing the installation space of an entire semiconductor chip compression molding apparatus and effectively decreasing the clamping force in dies which are provided in the apparatus. It further aims at performing a clamping, in the case where substrates having a different thickness are used, with an efficient adjustment in accordance with the thicknesses of the substrates. To this end, the semiconductor chip compression molding includes two semiconductor chip compression molding dies (top and bottom dies), and a die opening/closing means for closing the die surfaces of top dies and those of bottom dies in each of the upper and lower dies. The die opening/closing means includes a die opening/closing mechanism having two racks and one pinion, and a thickness adjustment mechanism for adjusting the gaps in accordance with the thicknesses of the substrates supplied to each of the upper and lower dies.

Abstract: In an overcurrent protection circuit 23 according to the present invention, a timer circuit TMR that generates an overcurrent protection signal EN according to the results of comparison between a detection voltage Va (Vb) and VrefL and VrefH is configured as follows. When Va (Vb) has reached VrefL, the timer circuit TMR starts to count T1. When T1 has elapsed with Va (Vb) kept above VrefL, the timer circuit TMR changes EN to a disabled state and starts to count T2. When T2 has elapsed, the timer circuit TMR returns EN to an enabled state. On the other hand, after Va (Vb) has reached VrefL and T1 starts to be counted, when Va (Vb) has reached VrefH, the timer circuit TMR forcibly stops the counting of T1 without waiting for T1 to elapse, changes EN to a disabled state, and starts to count T2. With this configuration, it is possible to offer necessary and sufficient protection for an object to be protected (for example, a load or an element provided inside a device).

Abstract: A rotation speed detection circuit includes an internal clock generation portion which receives an input of a period signal whose period varies in accordance with rotation speed of a motor and generates an internal clock signal having a predetermined number of pulses in one period of the period signal, and an internal clock counter portion which counts the number of pulses of the internal clock signal for a predetermined period every one period of the period signal and delivers a count value thereof as a digital data signal.

Abstract: A motor drive device of the present invention includes: an output circuit provided with a switch element connected to a motor; a PWM signal generating circuit for generating a PWM signal having a duty corresponding to a ratio between a power supply voltage applied to the motor and a predetermined control voltage; a control circuit for performing on/off control of the switch element according to the PWM signal; and a control voltage generating circuit for generating the control voltage such that the back electromotive voltage of the motor is maintained at a desired value.

Abstract: A motor drive device comprising an H-bridge circuit having four switching elements connected in an H bridge form to a motor coil L, a control circuit for on-off controlling each switching element, and a PWM signal generating circuit for generating a PWM signal having a duty according to a ration between a power supply voltage Vcc and a control voltage Vref, wherein the control circuit is so constituted as to select a switching element to be turned on according to an operation mode control signal FIN, RIN and control its on-duty according to the PWM signal. This constitution can variably control easily and over a wide range a drive voltage applied to one end of the motor coil L according to an externally input control voltage Vref.