MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP MCP P MCP3301 Matched Microchannel Plate Set Standard Resistance Microchannel Plate for Detectors Maximize Your Instrument’s Performance With Our Optimum Five Micron Pore Microchannel Plate The Model MCP3301 is K and M Electronic’s standard resistance Microchannel Plate (MCP) for Time-ofFlight Mass Spectrometry (TOF/MS). These optimum quality plates have precise five-micron pores, creating extremely high channel density that offers higher sensitivity and resolution than plates with conventional 10-micron pores. Features • • • • • 5mm pore size Imaging quality Rugged High tolerance for air/humidity Good flatness 70 60 50 40 30 20 10 0 Benefits • • • • • • Long lifetime Simple handling High open area ratio Minimal response dead time High detection efficiency High active channel percentage 0 500 1000 1500 2000 2500 3000 Channel Number Parameter Gain PHR, % PVR SNR Dark Count cts./sec. Pulse Width, nsec. Maximum Count Rate 3500 4000 Value 2-8 x 107 70-100 2-4 6-10 5 1 10 MHz 4500 5000 SPECIFICATIONS PHYSICAL CHARACTERISTICS for single plate: DIAMETER ......................................................... 33 mm ACTIVE DIAMETER ............................................. 25 mm THICKNESS ........................................................ 0.317 mm FLATNESS .......................................................... <+.015mm PORE SIZE .......................................................... 5 mm CENTER-TO-CENTER SPACING ............................ 5.8 mm BIAS ANGLE ...................................................... 12° L/D RATIO .......................................................... 56:1 OPEN AREA RATIO ............................................. 58% ELECTRICAL CHARACTERISTICS for matched set: GAIN @ 2400 VOLTS ......................................... 8 x 107 RESISTANCE ...................................................... 75 MW PULSE WIDTH .................................................... 1 ns, depending upon ......................................................................... detector impedance MAXIMUM COUNT RATE .................................. 10 MHz DARK COUNT RATE ........................................... *5 counts/sec./cm2 @ 2.0kV PULSE HEIGHT RATIO ......................................... 70-100% * measurement based on a chevron pair Export of this product is regulated by the U.S. Dept. of State in accordance with guidelines of “International Traffic in Arms Regulations (ITAR)” per Title 22, Code of Federal Regulations, Parts 120130. Approved for Unlimited Public Release per 02-S-0323 K and M Electronics Form 519B-0203 © 2003 K and M Electronics, Inc. , a Subsidiary of ITT Industries, Inc. All rights reserved. Specifications subject to change without notice and are believed to be reliable; however, should not be construed as a warranty of performance and no express or implied warranty is made with respect to same. 11 Interstate Drive West Springfield, MA 01089-4531 USA (413) 263-6200 • 800-442-4334 • fax: (413) 737-0608 http://www.kandm.com