M-DW1

M-DW1

  • 厂商:

    NAIS(松下)

  • 封装:

    Module

  • 描述:

    WAFER SENSOR OPTO LED REFL

  • 数据手册
  • 价格&库存
M-DW1 数据手册
915 FIBER SENSORS Wafer Mapping Sensor M-DW1 Related Information ■■General terms and conditions.............. F-3 ■■General precautions.................... P.1552~ ■■Selection guide.............................. P.865~ LASER SENSORS PHOTOELECTRIC SENSORS Recognition MICRO PHOTOELECTRIC SENSORS AREA SENSORS SAFETY LIGHT CURTAINS / SAFETY COMPONENTS PRESSURE / FLOW SENSORS INDUCTIVE PROXIMITY SENSORS PARTICULAR USE SENSORS SENSOR OPTIONS SIMPLE WIRE-SAVING UNITS WIRE-SAVING SYSTEMS MEASUREMENT SENSORS STATIC CONTROL DEVICES LASER MARKERS PLC HUMAN MACHINE INTERFACES ENERGY MANAGEMENT SOLUTIONS FA COMPONENTS MACHINE VISION SYSTEMS UV CURING SYSTEMS panasonic.net/id/pidsx/global The safe LED beam reflective type wafer mapping sensor Safe LEDs adopted Sensing of nitride-coated wafers possible Conventional laser mapping sensor that adopts laser beam has been dangerous because an operator is exposed directly to laser beam, which comes out of the load port through FOUP. We have succeeded in developing LED to adopt as light source for M-DW1. Therefore an operator’s safety is ensured. Nitride-coated wafers absorb light at certain wavelengths depending on the coating thickness. If the sensor uses the laser beam having a single wavelength, the beam may be absorbed completely, resulting in wafer detection error. The M-DW1 uses a LED light source with a wide wavelength band that allows to detect nitride-coated wafers successfully. LED beam Laser beam High-speed response time: 0.5 ms Selection Guide Liquid Leak Detection Liquid Level Detection Water Detection Color Mark Detection Wafer Detection Ultrasonic Small / Slim Object Detection Obstacle Detection M-DW1 HD-T1 The sensor responds in 0.5 ms, meeting the requirements of both high speed and high accuracy in wafer detection. Glass wafers are also detectable LED beam mapping sensor Laser beam mapping sensor Precise position detection by 2-segment receiving element Wafer detection by the amount of reflected light may sometimes fail depending on the wafer edge shape. The M-DW1 uses 2-segment receiving element in the beam-receiving part, and detects wafers by the reflected light position instead of the amount of reflected light. Thus, the sensor is less affected by wafer thickness or the amount of reflected light. The M-DW1, which detects wafers not by the light amount but by the light position, can detect the glass wafers regardless of the light amount. Glass wafer Penetrated light Light emission Reflected light Compact and lightweight design with built-in amplifier The sensor measures W80.6 mm × H18.3 mm × D50 mm W3.173 in × H0.720 in × D1.969 in, and weights only 75 g approx. ■2-segment receiving element Reflected light 50 mm 1.969 in Element A Element B 18.3 mm 0.720 in 80.6 mm 3.173 in Wafer Mapping Sensor M-DW1 916 ORDER GUIDE FIBER SENSORS Appearance Center sensing distance Sensing object 45 mm 1.772 in 3 inch or larger semiconductor wafer Model No. M-DW1 Output NPN output / PNP output selectable by switch Type Model No. CE marking directive compliance Center sensing distance Sensing object Detectable surface Sensing angle Wafer pitch LED beam reflective type M-DW1 EMC Directive, RoHS Directive 45 mm 1.772 in 3 inch or larger semiconductor wafer (Note 2) Surface having a side edge which reflects light in the light receiving direction (Note 3) 12.5 ± 5° (Note 4) Separate sensing is possible at normal sensitivity for 3 mm 0.118 in pitch or more (Note 5) Suitable cassette SEMI standard FOUP cassette / open cassette Supply voltage 12 to 24 V DC ±10 % Ripple P-P 10 % or less Current consumption Output Utilization category Output operation Short-circuit protection Response time Operation indicator Stability indicator Timer function 65 mA or less NPN output / PNP output, selectable with output selection switch NPN open-collector transistor PNP open-collector transistor • Maximum sink current: 100 mA • Maximum source current: 100 mA • Applied voltage: 30 V DC or less (between output and 0 V) • Applied voltage: 30 V DC or less (between output and +V) • Residual voltage: 1 V or less (at 100 mA sink current) • Residual voltage: 1 V or less (at 100 mA source current) 0.4 V or less (at 16 mA sink current) 0.4 V or less (at 16 mA source current) DC-12 or DC-13 Light-ON/Dark-ON, selectable by switch Incorporated (restored automatically) 500 µs or less Orange LED (lights up when the output is ON) Green LED (lights up under stable light received condition or stable dark condition) Approx. 2 ms fixed OFF-delay timer, switchable either effective or ineffective Test input (emission halt input) Signal condition • Emission Halt: Open, or 4 to 8 V • Emission: 0 to 3 V, or 9 V to +V (26.4 V max.) Sensitivity selection input Signal condition • Input OFF: Open, or 4 to 8 V • Input ON: 0 to 3 V, or 9 V to +V (26.4 V max.) MICRO PHOTOELECTRIC SENSORS SAFETY LIGHT CURTAINS / SAFETY COMPONENTS PRESSURE / FLOW SENSORS INDUCTIVE PROXIMITY SENSORS PARTICULAR USE SENSORS SENSOR OPTIONS SIMPLE WIRE-SAVING UNITS WIRE-SAVING SYSTEMS MEASUREMENT SENSORS STATIC CONTROL DEVICES LASER MARKERS PLC HUMAN MACHINE INTERFACES ENERGY MANAGEMENT SOLUTIONS FA COMPONENTS MACHINE VISION SYSTEMS UV CURING SYSTEMS Back surface teaching: effectuated with sensor’s sensitivity setting button Detection sensitivity selection: 4 levels with sensor’s 2 bit switch or 2 levels with external input selectable Selection Guide 3 (Industrial environment) Liquid Leak Detection IP20 (IEC) Liquid Level Detection 0 to +55 °C +32 to +131 °F (No dew condensation), Storage: –10 to +70 °C +14 to +158 °F Water Detection 35 to 85 % RH, Storage: 35 to 85 % RH Color Mark Detection Incandescent light: 3,000 ℓx or less at the light-receiving face, Fluorescent light: 1,500 ℓx or less at the light-receiving face Wafer Detection 1,000 V AC for one min. between all supply terminals connected together and enclosure Ultrasonic Insulation resistance 20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure Small / Slim Object Detection Vibration resistance 10 to 500 Hz frequency, 3 mm 0.118 in double amplitude in X, Y and Z directions for two hours each Obstacle Detection Sensitivity setting Pollution degree Environmental resistance PHOTOELECTRIC SENSORS AREA SENSORS SPECIFICATIONS Item LASER SENSORS Protection Ambient temperature Ambient humidity Ambient illuminance Voltage withstandability Shock resistance Emitting element Material Cable Cable extension Weight 98 m/s2 acceleration (10 G approx) in X, Y and Z directions five times each LED (modulated) Enclosure: ABS and Stainless steel (SUS301), Lens: Acrylic 0.15 mm2 5-core cabtyre cable, 300 mm 11.811 in long Extension up to total 10 m 32.808 ft is possible with 0.15 mm2, or more, cable. Net weight: 75 g approx. Notes: 1) Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +20 °C +68 °F. 2) In case of 8 inch or less wafers, the wafer pitch, the orientation flat or surface condition may affect the sensing. 3) Polished wafers, etc., which have a sharp edge cannot be detected since they do not reflect the light in the light receiving direction. 4) Since the position of the orientation flat may vary by ±20° due to its rotation, refer to “Detecting wafer having orientation flat” (p.918) for detection of a wafer having an orientation flat. 5) This is the pitch of an 8 inch wafer near its center region when it is inserted in an inclined fashion. When detecting a wafer having an orientation flat, the wafer pitch becomes still smaller when sensing at positions which avoid the orientation flat. In this case, the sensing signal cannot be resolved and it becomes a continuous, broad signal. For details, refer to “Sensing signal” (p.919~). M-DW1 HD-T1 917 Wafer Mapping Sensor I/O CIRCUIT DIAGRAMS FIBER SENSORS LASER SENSORS PHOTOELECTRIC SENSORS NPN output I/O circuit diagram D INDUCTIVE PROXIMITY SENSORS PARTICULAR USE SENSORS SENSOR OPTIONS SIMPLE WIRE-SAVING UNITS Sensor circuit AREA SENSORS PRESSURE / FLOW SENSORS Wiring diagram Color code MICRO PHOTOELECTRIC SENSORS SAFETY LIGHT CURTAINS / SAFETY COMPONENTS M-DW1 Tr2 Tr1 Color code (Brown) +V ZD2 (Black) Output Brown Load 100 mA max. ZD1 + (Pink) Ext. test input (emission halt input) - (Violet) Ext. sensitivity selection input 12 to 24 V DC ±10 % + Pink - Violet *1 12 to 24 V DC ±10 % *1 (Blue) 0 V Internal circuit Load Black Blue Users’ circuit * 1 Symbols … D: Reverse supply polarity protection diode ZD1, ZD2: Surge absorption zener diode Tr1: NPN output transistor Tr2: PNP output transistor Non-voltage contact or NPN open-collector transistor or WIRE-SAVING SYSTEMS • External test input (emission halt input) 0 to 3 V, or 9 V to +V (26.4 V max.): Emission halt Open, or 4 to 8 V: Emission • External sensitivity selection input 0 to 3 V, or 9 V to +V (26.4 V max.): Input ON Open, or 4 to 8 V: Input OFF MEASUREMENT SENSORS STATIC CONTROL DEVICES LASER MARKERS PLC HUMAN MACHINE INTERFACES PNP output I/O circuit diagram Color code ENERGY MANAGEMENT SOLUTIONS D Sensor circuit UV CURING SYSTEMS Tr2 ZD2 Liquid Level Detection Water Detection Color Mark Detection Wafer Detection Ultrasonic Small / Slim Object Detection Obstacle Detection M-DW1 HD-T1 *1 *1 Pink (Violet) Ext. sensitivity selection input + 100 mA max. - (Black) Output Tr1 ZD1 Internal circuit Liquid Leak Detection Brown (Pink) Ext. test input (emission halt input) (Blue) 0 V Selection Guide Color code (Brown) +V FA COMPONENTS MACHINE VISION SYSTEMS Wiring diagram Symbols … D: Reverse supply polarity protection diode ZD1, ZD2: Surge absorption zener diode Tr1: NPN output transistor Tr2: PNP output transistor - Black Load Users’ circuit + Violet 12 to 24 V DC ±10 % 12 to 24 V DC ±10 % Load Blue * 1 Non-voltage contact or PNP open-collector transistor or • External test input (emission halt input) 0 to 3 V, or 9 V to +V (26.4 V max.): Emission halt Open, or 4 to 8 V: Emission • External sensitivity selection input 0 to 3 V, or 9 V to +V (26.4 V max.): Input ON Open, or 4 to 8 V: Input OFF Wafer Mapping Sensor PRECAUTIONS FOR PROPER USE • Never use this product as a sensing device for personnel protection. • In case of using sensing devices for personnel protection, use products which meet laws and standards, such as OSHA, ANSI or IEC etc., for personnel protection applicable in each region or country. M-DW1 918 Refer to p.1552~ for general precautions. LASER SENSORS Detecting wafer having orientation flat • When detecting a wafer having an orientation flat, mount the sensor so that a portion other than the orientation flat is detected. Further, arrange to detect the wafer from two different angles by moving the robot arm, etc., and OR the signal so obtained. PHOTOELECTRIC SENSORS Cassette SAFETY LIGHT CURTAINS / SAFETY COMPONENTS Mounting Sensor • Set the distance between the sensor detection surface and the wafer edge to be 45 mm 1.772 in and mount the sensor so that sensing is done at an angle of 12.5° with respect to the wafer. Mount using M4 (length 16 mm 0.630 in) screws. The tightening torque should be 1.2 N·m or less. Further, although the sensing distance may change due to variation in the wafer position (wafer protrusion, orientation flat position, etc.), if it is within 5 mm 0.197 in, stable sensing is possible. Robot arm Top-view m 45 m in 1.772 Top-view Stability indicator (Green) Spot position SENSOR OPTIONS Detection 1 Orientation flat SIMPLE WIRE-SAVING UNITS Detection 2 WIRE-SAVING SYSTEMS Output setting switch Operation indicator (Orange) Switch LASER MARKERS PLC HUMAN MACHINE INTERFACES Wiring • Do not use during the initial transient time (0.5 sec.) after the power supply is switched on. • Take care that the sensor is not directly exposed to fluorescent lamp from a rapid-starter lamp, a high frequency lighting device or sunlight etc., as it may affect the sensing performance. • Avoid dust, dirt, and steam. • Take care that the product does not come in contact with water, oil, grease or organic solvents, such as, thinner, etc. • Do not allow any water, oil, fingerprints, etc., which may refract light, or dust, dirt, etc., which may block light, to stick to the sensing surfaces of the sensor. In case they are present, wipe them with a clean, dust-free soft cloth or lens paper. MEASUREMENT SENSORS STATIC CONTROL DEVICES Note: If the wafer center axis and the sensor axis lie along a straight line (0°), detection is not possible. Always mount the sensor at an angle to the wafer. Others PRESSURE / FLOW SENSORS 12.5° Part description Wafer center axis • Make sure that the power supply is off while wiring. • Take care that wrong wiring will damage the product. • Verify that the supply voltage variation is within the rating. • If power is supplied from a commercial switching regulator,ensure that the frame ground (F.G.) terminal of the power supply is connected to an actual ground. • In case noise generating equipment (switching regulator, inverter motor, etc.) is used in the vicinity of this product, connect the frame ground (F.G.) terminal of the equipment to an actual ground. • Extension up to total 10 m 32.808 ft, or less, is possible with 0.15 mm2, or more, cable. However, in order to reduce noise, make the wiring as short as possible. • Do not run the wires together with high-voltage lines or power lines or put them in the same raceway. This can cause malfunction due to induction. • Make sure to use an isolation transformer for the DC power supply. If an autotransformer (single winding transformer) is used, this product or the power supply may get damaged. • In case a surge is generated in the used power supply, connect a surge absorber to the supply and absorb the surge. AREA SENSORS PARTICULAR USE SENSORS 12.5° Mounting angle 12.5° Sensor axis MICRO PHOTOELECTRIC SENSORS INDUCTIVE PROXIMITY SENSORS M4 (length 16 mm 0.630 in) screw (Purchase separately) 45 mm 1.772 in FIBER SENSORS Switch Sensitivity setting button Sensitivity selection switch Timer operation mode switch Output operation mode switch • Sensitivity can be selected from four levels by appropriate setting of the sensitivity selection switch (2 bits). Sensitivity selection switch 1 2 3 4 H L 1 2 3 4 H L 1 2 3 4 H L 1 2 3 4 UV CURING SYSTEMS Selection Guide Liquid Leak Detection Sensitivity selection switch L FA COMPONENTS MACHINE VISION SYSTEMS Sensitivity selection setting H ENERGY MANAGEMENT SOLUTIONS Sensitivity Maximum sensitivity (MAX) High sensitivity (HIGH) Medium sensitivity (MID) Low sensitivity (LOW) Used for low reflectivity wafers with nitride or oxide film processing,or for thin wafers (0.3 to 0.4 mm 0.012 to 0.016 in) Liquid Level Detection Water Detection Color Mark Detection Wafer Detection Sensitivity between maximum sensitivity and medium sensitivity Ultrasonic Used for high reflectivity polished wafers, etc., or for 3 mm 0.118 in wafer pitch Obstacle Detection Lowest possible sensitivity setting HD-T1 Notes: 1) ‌In case of 8 inch or less wafers, the wafer pitch, orientation flat or the surface condition may affect the sensing. 2) ‌Polished wafers, etc., which have a sharp edge cannot be detected since they do not reflect the light in the light receiving direction. Small / Slim Object Detection M-DW1 919 FIBER SENSORS LASER SENSORS PHOTOELECTRIC SENSORS MICRO PHOTOELECTRIC SENSORS AREA SENSORS SAFETY LIGHT CURTAINS / SAFETY COMPONENTS PRESSURE / FLOW SENSORS INDUCTIVE PROXIMITY SENSORS PARTICULAR USE SENSORS Wafer Mapping Sensor M-DW1 PRECAUTIONS FOR PROPER USE External sensitivity selection input Timer function • The external sensitivity selection input (violet) becomes ON when it is connected to 0 to 3 V, or 9 V to +V (26.4 V max.), and becomes OFF when it is kept open or connected to 4 to 8 V. If the sensitivity is selected with the external sensitivity selection input, set the sensitivity selection switch as shown in the table below. Sensitivity selection switch L 1 2 3 4 WIRE-SAVING SYSTEMS MEASUREMENT SENSORS STATIC CONTROL DEVICES LASER MARKERS PLC HUMAN MACHINE INTERFACES ENERGY MANAGEMENT SOLUTIONS FA COMPONENTS MACHINE VISION SYSTEMS UV CURING SYSTEMS H L 1 2 3 4 : Approx. 2 ms OFF-delay timer Maximum sensitivity (MAX) Open, or 4 to 8 V OFF Medium sensitivity (MID) 0 to 3 V or 9 V to +V (26.4 V max.) ON High sensitivity (HIGH) Open, or 4 to 8 V OFF Low sensitivity (LOW) Time chart Sensing condition Liquid Level Detection Water Detection Color Mark Detection Wafer Detection Ultrasonic Small / Slim Object Detection Obstacle Detection M-DW1 HD-T1 Not sensing ON Normal OFF With timer ON T Sensitivity setting T T OFF Timer period: T = Approx. 2 ms • Although this sensor has an optical system which makes it difficult for the background to affect the detection, the background may have an effect when detecting small diameter wafers. Hence, if the background gets detected, or the stability indicator (green) lights off when the cassette has no wafers, sensitivity setting should be done so that the background does not have an effect. However, the sensitivity reduces when sensitivity setting is done. • Since the sensitivity is stored in an EEPROM when the sensitivity setting button is pressed, the setting need not be repeated when the power is switched on again. However, note that the EEPROM has a lifetime and its guaranteed life is 100,000 write operation cycles. Sensing signal Sensing signal width • The sensing signal which is output from the sensor is as follows: The sensing signal has a width larger than the thickness of the wafer. 2 The signal width also varies with the reflectivity of the sensing edge. High reflectivity (polish, aluminum evaporated, etc.): Large signal width 1 Example: Wafer thickness t = 0.6 mm 0.024 in Signal width 1.5 mm 0.059 in approx. Low reflectivity (nitride or oxide film processed): Small signal width Example: Wafer thickness t = 0.6 mm 0.024 in 3 Selection Guide Sensing Operation Note: F  or details of sensitivity, refer to “Sensitivity selection setting” (p.918). Light emission control function Liquid Leak Detection : Without timer Sensitivity ON SENSOR OPTIONS SIMPLE WIRE-SAVING UNITS • Using the timer operation mode switch, it is possible to select an approx. 2 ms fixed OFF-delay timer. Since the output is extended by a fixed period, it is useful when the connected device has a slow response time. Timer operation mode switch Ext. sensitivity selection input 0 to 3 V, or 9 V to +V (26.4 V max.) H Refer to p.1552~ for general precautions. Signal width 1.1 mm 0.043 in approx. The signal width also changes with the sensing distance or the sensing angle. Sensing signal width (Example) 1.5 mm 0.059 in ON OFF approx. • Light emission is halted when the external light emission control input (pink) is connected to 0 to 3 V, or 9 V to +V (26.4 V max.). In this case, the output turns to the dark state. Wafer thickness t = 0.6 mm 0.024 in High reflectivity wafer Time chart External light ON emission control input OFF Low reflectivity wafer T1 Output In case of Light-ON ( ) T2 ON OFF T1 = 5 ms, T2 = Max. 20 ms Wafer thickness t = 0.6 mm 0.024 in Sensing signal width (Example) 1.1 mm 0.043 in approx. • From the above, for determining the position of the wafer from the sensing signal, calculate the center position of the signal’s ON region, while taking into consideration the response time. Wafer Mapping Sensor PRECAUTIONS FOR PROPER USE Narrow pitch sensing signal width • In case of “Detecting wafer having orientation flat” (p.918), when the sensor is mounted at positions which avoid the wafer orientation flat, the pitch of a crosscondition wafer changes as shown in the figure below. Normal sensing position 1st cross pitch (narrow) Cross-condition wafer Normal wafer 2nd cross pitch (wide) Orientation flat length • The calculated pitch based on the wafer size is given in the table below. Wafer size Cross pitch Cross pitch Normal Orientation Wafer flat length thickness (narrow) (wide) pitch M-DW1 920 Refer to p.1552~ for general precautions. FIBER SENSORS • From the above, it is seen that, since the pitch of the cross-condition wafer reduces, the pitch resolution required for high reflectivity wafers becomes more stringent than the specified resolution of 3 mm 0.118 in. Hence, the sensing signal from two wafers may not be resolved and may become a continuous signal. Further, the sensing signal may also change due to the sensitivity setting, the reflectivity of the wafer, and the sensing conditions (sensing distance or sensing angle). For the above reasons, in case of wafers which have been cross-inserted, since the small cross-pitch side is similar to overlapping wafers, the sensing signal of two wafers may become a continuous signal or may get resolved. • If the orientation flat happens to get in the position of sensing, sensing is not possible in one of the two sensing positions. Therefore, if the wafer is cross-inserted, a resolved signal may not be output, and in this case, the information on the wafer position calculated from the sensing signal will be erroneous. LASER SENSORS PHOTOELECTRIC SENSORS MICRO PHOTOELECTRIC SENSORS AREA SENSORS SAFETY LIGHT CURTAINS / SAFETY COMPONENTS PRESSURE / FLOW SENSORS INDUCTIVE PROXIMITY SENSORS PARTICULAR USE SENSORS SENSOR OPTIONS 3 inch (75 mm) 4.75 mm 0.187 in 22.2 mm 0.874 in 0.380 mm 1.58 mm 0.015 in 0.062 in 3.17 mm 0.125 in 4 inch (100 mm) 4.75 mm 0.187 in 32.5 mm 1.280 in 0.625 mm 1.54 mm 0.025 in 0.061 in 3.21 mm 0.126 in WIRE-SAVING SYSTEMS 5 inch (125 mm) 4.75 mm 0.187 in 42.5 mm 1.673 in 0.625 mm 1.52 mm 0.025 in 0.060 in 3.23 mm 0.127 in MEASUREMENT SENSORS 6 inch (150 mm) 4.75 mm 0.187 in 57.5 mm 2.264 in 0.675 mm 1.43 mm 0.027 in 0.056 in 3.33 mm 0.131 in STATIC CONTROL DEVICES 8 inch (200 mm) 6.35 mm 0.250 in 59.3 mm 2.335 in 0.725 mm 2.19 mm 0.029 in 0.086 in 4.16 mm 0.164 in LASER MARKERS SIMPLE WIRE-SAVING UNITS PLC DIMENSIONS (Unit: mm in) 80.6 3.173 70 2.756 The CAD data can be downloaded from our website. HUMAN MACHINE INTERFACES ENERGY MANAGEMENT SOLUTIONS 2-ø4.5 ø0.177 mounting holes FA COMPONENTS MACHINE VISION SYSTEMS 50 34 1.969 1.339 UV CURING SYSTEMS 18.3 0.720 Beamreceiving part Beam- Beamemitting receiving part part ø4.2 ø0.165 cable, 300 mm 11.811 in long 12 0.472 Selection Guide Liquid Leak Detection Liquid Level Detection Water Detection Color Mark Detection Wafer Detection Ultrasonic Small / Slim Object Detection Obstacle Detection M-DW1 HD-T1
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