Focus on cryogenics, vacuum, materials, and semiconductors

Compact, quiet vacuum pumpsSection:ChooseTop of pageCompact, pum... <<Leak detectorsNanomechanical SEM materi...Cryostat with fast cool-d...Diaphragm pumps for vacuu...Patterned semiconductor w...Capacitance diaphragm gau...Gifford–McMahon cryocoole...Fast-setting two-componen...New literature Leybold has expanded its Ecodry Plus product family dry multistage Roots laboratory, R&D, and analytical applications. The compact 25 35 Plus, which achieve high pumping speeds relatively little footprint, complete the company’s range low-maintenance, economical fore-vacuum pumps. They are also particularly quiet, a noise level 52 dB(A). emit neither oil vapor nor particles, is important in research institutes laboratories where clean working environment essential. equipped an integrated pump controller suitable all voltage ranges. Users can connect pressure gauge directly to adapt pump’s performance specific requirements, potentially make it more energy efficient. GmbH, Bonner Str 498, 50968 Cologne, Germany,www.leybold.com Leak detectorsSection:ChooseTop pum...Leak detectors <<Nanomechanical Busch Vacuum Solutions unveiled two leak testing tightness systems individual components, locating possible leaks, quantifying their leakage rate. smaller TAPIR HL 1102 A mobile applications, larger, multipurpose 2216 stationary Both operate helium or hydrogen as tracer gas detect leaks rate up 5 × 10−13 Pa m3/s, depending on test method used. Two methods detectors. spray test, sprayed onto surface component under vacuum, highest sensitivity. sniffing detection method, pressurized gas, reveals exact location leak. LLC, 516 Viking Dr, Virginia Beach, VA 23452, www.buschvacuum.com Nanomechanical materials analysis situSection:ChooseTop materi... <<Cryostat Bruker Testing designed Hysitron PI 89 PicoIndenter expand understanding deformation mechanisms high-strength materials. According company, device provides scanning electron microscope (SEM) nanomechanical capabilities at higher loads extreme environments than previously possible. Combined novel capacitive transducer intrinsic displacement technologies, Bruker’s high-performance enables wide force versatile tool features electrical characterization module rotation tilt stage configurations, among other capabilities. It use such areas accelerated mechanical property mapping, fatigue testing, nanotribology. For imaging, compatible backscattered, convergent beam, transmission Kikuchi diffraction energy-dispersive microscopy Nano Surfaces Division, 3400 E Britannia Ste 150, Tucson, AZ 85706, www.bruker.com Cryostat cool-down timesSection:ChooseTop cool-d... <<Diaphragm Dry Ice 1.5K 100 mm closed-loop cryostat from ICE Oxford lets users carry out experiments 1.3–325 K temperature range. ensures tight tolerance stability (±10 mK below 10 K), times (less 30 min 1.4 minimal vibration sample space (as ±100 nm). option exists add helium-3 dilution-fridge inserts even lower temperatures—300 15 mK, respectively. large 100-mm-diameter cryostat’s cooling power greater mW 1.75 best available variable-temperature-insert cryostat. Variants offered 30-, 50-, 70-mm-diameter spaces. Using LabVIEW-based software, be highly automated reduce system setup turnaround time. Oxford, Ave 4, Station Lane, Witney, OX28 4BN, UK, www.iceoxford.com Diaphragm compressor useSection:ChooseTop vacuu... <<Patterned KNF’s N 630 vacuum/compressor series delivers tightness. offers down 0.74 inHg (25 mbar abs), positive 174 psig (12 bar rel), flow 2.4 cfm (68 L/min). Four models available: one- two-headed connected parallel; each used either compressor. To ensure durability, come long-lasting diaphragms coated ethylene propylene diene monomer rubber chemically resistant polytetrafluoroethylene. handles ambient media temperatures °C and, because head water-cooling systems, 60 °C. industrial coolant recycling, emissions measurement analysis, applications ranging chemical processing physics research. KNF Neuberger Inc, 2 Black Forest Rd, Trenton, NJ 08691-1810, https://knf.com Patterned wafer metrologySection:ChooseTop w... <<Capacitance PWG5 patterned geometry KLA addresses difficult issues manufacture leading-edge memory logic circuits. most capable flash built architecture called 3D NAND constructed 128 thin layers. Manufacturing those structures requires depositing hundreds films multiple then creating cells by etching filling holes several microns deep one-hundredth micron across. As film stacks grow higher, they distort planarity ultimately affect yield. identify correct distortion source, metrology measure minute distortions wafer’s front back sides simultaneously. accomplishes that inline speed exceptional resolution support not only but advanced dynamic random-access Corporation, Three Technology Milpitas, CA 95035, www.kla-tencor.com Capacitance gaugeSection:ChooseTop gau... <<Gifford–McMahon InstruTech’s CDM900 Micro Bee capacitance ceramic sensor cost-effective design. temperature-compensated accurate measurements full-scale ranges 10–1000 torr. Pressure independent type. Models 0.5% 1% reading accuracy various fittings, including ½-inch tube (O-ring compression), NW16KF, NW25KF, 1⅓-inch Mini-Conflat types. No span adjustment required, no zero needed. 0–10 Vdc linear analog output. does require operate; output signal interfaced users’ control systems. AGC302 panel- rack-mount-display installation when setpoint relays serial communications required. InstruTech, 1475 S Fordham St, Longmont, CO 80503, www.instrutechinc.com Gifford–McMahon cryocoolersSection:ChooseTop cryocoole... <<Fast-setting ULVAC Cryogenics—a joint venture Japan-based US-based Helix currently doing business Edwards Vacuum—has upgraded cryocooler line so researchers select suited need second-stage wattage. new 4 offered: UHE10F (1.0 W 4.2 UHE12F (1.25 UHE15F (1.5 K). cryocoolers feature capacities orientation-free UL/CE certified. Cryogenics 1222-1 Yabata, Chigasaki, Kanagawa, 253-0085, Japan, www.ulvac-cryo.com Fast-setting two-component epoxySection:ChooseTop two-componen... <<New When white black parts Master Bond’s EP51CC color-coded epoxy combined, form uniform gray paste indicates proper mixing. nondrip compound electrically insulative bonding sealing sets quickly room temperature, life 3–5 mixed 50 g batch. fixture time vary few minutes hours, factors. Those include curing size, substrates being bonded, amount adhesive applied. cure schedule plays role bond strength. example, cured 24 h, lap shear strength 700–800 psi; 8 h followed 3 250 °F, increases 2300–2500 psi. bonds substrates, metals, composites, glass, ceramics, vulcanized rubbers, many plastics. Formulated −452 °F challenging cryogenic Bond 154 Hobart Hackensack, 07601-3922, www.masterbond.com New literatureSection:ChooseTop << Hall effect handbook Lake Shore Cryotronics’s 88-page Effect Measurement Handbook: Fundamental Tool Semiconductor Material Characterization comprehensive resource both experienced researchers. Written Jeffrey Lindemuth, covers topics theory measurements; how resistivity coefficient materials; major sources errors, geometric; ways minimize effects errors. electronically print. US Canadian customers receive print copy mail charge. Cryotronics 575 McCorkle Blvd, Westerville, OH 43082, www.lakeshore.com © 2021 American Institute Physics.