Multifunction Digital Lock-In Amplifier (NF Corp., LI 5640)
Number of channels : 2 Connectors : Two BNC receptacles(AUX IN1 /OUT1 and AUX IN2 / OUT2 on rear panel) Power output to preamplifier : +- 24 V, +- 50 mA Initializing function : Returns to specified initial setting Power supply voltage range : 100 / 120 / 230 V +- 10 % Power supply frequency range : 50 / 60 Hz +- 2 Hz Power consumption : 50 VA maximum Temperature / humidity range for performance guarantee : 0 to + 40 degrees Celsius, 10 to 95 % RH(no dew condensation) Storage temperature / humidity range : - 10 to + 50 degrees Celsius, 10 to 85 %RH(no dew condensation) Outer dimensions : 434(W) x 132.5(H) x450(D) mm(excluding protruding portions) Mass : Approx. 10 kg 용도 : 잡음 속의 원하는 미소 신호 측정
Photoelastic Modulator (PEM) (Hinds Instruments, PEM-100)
Configuration - PEM-100 Controller - Optical Head (I/FS50) - Electronic Head - Photodiode (Detector / Preamplifier) (DET-100-002) - Signal Conditioning Unit (SCU-100) 용도 : LC 관련 광학 측정시 측정 대상물에 대한 phase retardation의 주기적 변화
Helium-Neon Laser (Red) (Melles Griot, Helium-Neon Laser System 05-LHR-141 & 05 LPL 340-065)
Wavelength : 632.8 nm (Red Ray) Maximum output power : 15 mW Minimum CW power output at 632.8 nm TEM00 : 4 mW Beam diameter (1 / e^2) : 0.8 mm Beam divergence (full) : 1 mrad Polarization ratio : Random Longitudinal mode spacing : 438 MHz Weight : 0.56 kg Operating current (nominal) : 6.5 mA Operating voltage : 2390 V DC +- 100 CDRH class : IIIB 용도 : LC 관련 각종 광학 실험시 적색 광원 공급
Helium-Neon Laser (Green) (Research Electro-Optics, Helium-Neon Laser System 30968 & S-22-LI)
Wavelength : 632.8 nm (Red Ray) Maximum output power : 15 mW Minimum CW power output at 632.8 nm TEM00 : 4 mW Beam diameter (1 / e^2) : 0.8 mm Beam divergence (full) : 1 mrad Weight : 0.56 kg Operating current (nominal) : 6.5 mA Operating voltage : 2390 V DC +- 100 용도 : LC 관련 각종 광학 실험시 적색 광원 공급* Wavelength : 534 nm (Green Ray) Minimum output power : 0.5 mW Maximum output power : 5.0 mW Beam diameter : 0.72 mm Beam divergence : 0.96 mrad Length : 425.5 +- 1.0 mm (16.75 +- 0.04 ") Diameter : 44.5 +- 0.5 mm (1.75 +- 0.02 ") Weight : 650 g Operating voltage : 2200 V DC Operating current : 5.25 mA 용도 : LC 관련 각종 광학 실험시 녹색 광원 공급
Optical Breadboard (Newport)
Lattice interval : 25 mm Board size : 1195 mm x 595 mm(Total latticesize : 1175 mm x 575 mm) 용도 : LC 관련 각종 광학 실험 Setting
Drying Oven (Sejong Science Industrial Plus)
PID Controller(Program Model) Fan Motor Door Back-up Device Safety Device Order Made 용도 : LC Cell 공정시 기판 건조 및 Baking
Ultrasonic Cleaner (Hwashin Instrument, Power Sonic 405)
정격 전압 : AC 220 V, 50/60 Hz 소비 전력 : 350 W 표시창 : Digital display (7-Segment x2) 진동자 : 공업용 BLT type 시간 설정 범위 : 0~99 min 온도 설정 범위 : 0~50 °C 출력 주파수 : 40 kHz 수조 용량 : 5.7 L 수조 치수(LxWxH) : 295 x 150 x 150 (mm) 외형 치수(LxWxH) : 500 x 285 x 255 (mm) 중량 : 7 kg 용도 : LC Cell 기판 세척 및 용액 균일 혼합
Digital Phosphor Oscilloscope (Tektronix, TDS3012B)
Channels : 2 Display(Full VGA LCD) : color Bandwidth : 100 MHz Rise time : 3.5 ns to 600 ps Sample rate per channel : 1.25 GS / s Oscilloscope type - DPO up to 3600 wfms / scontinuous waveform capture rate Record length(maximum) : 10 kB Trigger types - edge, logic(pattern, state), pulse(glitch, width, runt, slew rate), video, com Battery operation - optional 3 hours with one Li-ION battery Connectivity and storage - RS-232, GPIB, centronics, floppy disk, LAN(10 Base - T ethernet) Waveform math and analysis - simple waveform math, FFT, arbitrary expression math 용도 : LC Cell, Panel 측정시 신호 파형 관찰
High Speed Bipolar Amplifier (NF Corp., HSA4011)
Wideband from DC to 1 MHz High output, high speed Output voltage : 150Vpp (DC to 100 kHz) 130 Vpp (100 kHz to 1 MHz) Through rate : 650 V / us type Optimal waveform response - Overshoot, sag 5% or less Variable gain : 10 to 300 times - x10, x20, x50, x100 and x1, to x3 continuously variable Input : 2-line input allows 2-line additions Low output impedance : 0.2 ohm + 1 uH type DC addition capability - +/- 50 V 10-rotation potentiometer setting High balanced output capability Protection circuit with overload display Input / output connecter 용도 : LC Cell, Panel 측정 시 인가 신호 증폭
Scriber (Neo System)
Computer-based control Size : 10 cm x 10 cm 용도 : 10 x 10 Size의 Cell 기판 절단