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ASG has announced new assembly tools for use with work pieces that are sensitive to electrostatic discharge. The tools have housings that are electrically conductive. Any static present on the tool or operator's hand is conducted away from the work. The ESD-protected line includes cleanroom torque-controlled electric screwdrivers, screw presenters, screw dispensers and shock-absorbing screwdrivers for impact-sensitive products. ASG, Cleveland, Ohio.
Dymax Corp. has introduced a line of solvent-free, light-curing conformal coatings. They feature heat assisted and two-part room-temperature shadow curing versions and ensure precise placement, minimum deposition and complete cure of all coating in a few seconds. The 984-LVUF coating offers a faster curing grade of UL and MIL Spec approved 984-LVF conformal coating. The 9-20557 coating features more tough and flexible properties with good adhesion to difficult solder masks. The 9-20558 coating is for flex circuits and is an encapsulant for sharp solder joints. The 9-984B is a black, opaque coating for concealing sensitive components and circuitry. Dymax Corp., Torrington, Conn.
International Rectifier has introduced the OMR9601SCK, a 3.3 to 2.5V ultra-low dropout linear regulator with a 3A capability. It features a maximum dropout voltage of 0.4V at 3A output and a 0.3V dropout at 1A output. The regulator features a remote shutdown pin that is useful for power sequencing and other control functions. The OMR9601SCK is housed in a five-pin TO-258 (MO-78AA), and comes with integrated input and output capacitors. International Rectifier, Leominster, Mass.
The Model 522m17/19 piezoelectric pressure transducer is designed for sensing dynamic pressure fluctuations up to 500 psi, even in the presence of high static pressure and temperature. It utilizes ferro-piezoelectric ceramics in the charge mode. It features a metal-sheathed integral cable and the ability to run continuously at 1,000°F. It requires no external power and is accommodated by a 10-ft. long tri-axial hardline cable with a 10-32 coaxial receptacle. Endevco, San Juan Capistrano, Calif.
Miniature Crystal Filter
CTS Wireless has expanded their monolithic crystal filter products to include a miniature 3.8 x 3.8-mm platform, model ATFN6024A. The narrow bandwidth filter offers increased functionality and operates in the 73 to 135 MHz range. The filter also can be customized to operate at higher frequencies to meet unique requirements. The package size has been decreased by more than 50 percent without compromising the performance of the three-pole crystal filter housed within. CTS Wireless Components, Bloomingdale, Ill.
Morgan Advanced Ceramics controlled resistivity ceramics are ideal applications that require controlled electrical conduction or static charge dissipation. They feature metallized, brazed or bonded assemblies and are manufactured in a range of insulating and controlled resistivity. To ensure quality, the ceramics are assembled and packaged in a cleanroom. Morgan Advanced Ceramics, Latrobe, Pa.
The Gator 355-3 laser can be used for micromachining and microdrilling hard materials. The Gator UV's 355-nm wavelength and high peak power make it ideal for high aspect ratio microdrilling in stainless and steel alloys, titanium, nickel, aluminum and copper alloys. Micromachining in silicon nitride, aluminum nitride and silicon carbide ceramics and diamond is also possible with the same results. It has a hermetically sealed laser head, a 5,000-hour diode lifetime warranty, complete hands-free operation and a remote/removable supply unit. Lambda Physik, Fort Lauderdale, Fla.
Zestron Corp.'s new ATRON SP 200 is a surfactant cleaner specifically designed to remove baked-on flux from solder pallets and condensation traps in either spray- or dip-cleaning equipment. It is also effective as a drop-in replacement to traditional surfactant cleaners in ultrasonic stencil-cleaning equipment. ATRON SP 200 was formulated for use in unheated cleaning equipment and has good material compatibility. Zestron Corp., Ashburn, Va.
Flip Chip Package
LSI Logic has unveiled their latest organic laminate flip chip package, the FPBGA-4L. It utilizes a matrix of solder bumps on the active surface chip, which connects to the four-layer substrate. It features 100 percent differential signaling or single ended I/Os, a separate core, I/O power and ground connections, up to 12 voltage splits, enhanced thermal performance and efficient printed wiring board escape routing. The FPBGA-4L is a compliment to the FPBGA-HP released in 1998. LSI Logic, Milpitas, Calif.
White Electronic Designs offers an 8M x 72 synchronous DRAM with 1 Mbyte flash in a multi-chip package. It is designed to complement high-performance memory controllers and operate in a 3.3V, low-power memory system. It is available at 125 and 100 MHz. Each chip is configured as a quad-bank DRAM with a synchronous interface. The 1M x 8 flash has access times of 100 to 150 ns and requires only a single 3.0V power supply for both read and write functions. It is suitable for use in telecom, datacom and embedded applications. White Electronic Designs, Phoenix, Ariz.
Fox Electronics is offering a new line of VCXO oscillators. The VCXO-C3 features a metal DIP package and can be used for telecommunications, telephony and datacom applications. It features a standard stability of ±50 PPM over -10 to 70°C. The pullabilty of the VCXO-C3 is a minimum of ±100 PPM with a control voltage of 2.5V ±2V on pin 1. The oscillators are offered in frequencies from 1.000 to 30.000 MHz. Fox Electronics, Sellersville, Pa.
Parallel Wafer Tester
The BP-350 is designed to test and program flash, EPROMs, EEPROMs and microcontrollers in the wafer and packaged part stages. It uses parallel test methodology for greater speed and throughput. It directly docks to the test prober, eliminating waveform quality issues. It can be used with Fast Site 5 programming software to parallel test up to four die simultaneously. BP Microsystems, Houston, Texas.
The RTX Backplane is the only real-time X-ray inspection system configured to meet the requirements of backplane manufacturers. The system is capable of handling boards as large as 36 x 42 inches in size and 40 pounds in weight, with up to 32 inner layers. A high-power X-ray source enables the system to penetrate the backplane's dense inner layers during inspection. Features include a table surface built to support large, heavy boards, precision slides mounted on rollers to maneuver boards easily with fingertip control, an optional video micrometer for on-screen measurement, and software to record and download measurements to a PC. Glenbrook Technologies, Randolph, N.J.
Solder Paste Inspection System
CyberOptics has introduced the SE 300 high-speed, high-resolution 3-D solder paste inspection system. It automatically measures height, volume, area and bridging, and notifies the operator if any parameters trend outside the user-specified limits. It features two operating modes: high-resolution and high-speed. For optimum results, both speeds can be combined in the same inspection program. SE 300 consists of one-meter wide machine designed to replace a section of standard conveyor in front of the chip-shooter feeders. The adjustable conveyor transports boards up to 18 x 20 inches and secures them for inspection. Programming also can be performed off-line. CyberOptics, Minneapolis, Minn.
No. 749 from the Grieve Corp. is an inert gas atmosphere, 1,250°F electrically heated universal oven. It has a workspace of 36 x 36 x 36 inches, with a 16-ga. stainless steel interior. 10-in. thick insulated walls are comprised of 2 inches of 1,900°F block and 8 inches of 10-lb. density insulation. It features inner and outer door gaskets, continuously welded internal seams, a water-cooled door sealing surface, a water-cooled blower shaft seal, compression-fit seals at each heating element and thermocouple penetration, positive latching door hardware, an inlet gas pressure regulator, an internal pressure gauge and an atmosphere inlet and outlet. The cool-down system consists of a powered forced exhauster to pull the cooling air through the jacketed inner oven walls. The Grieve Corp., Round Lake, Ill.
Air-cell Pouch Bags
Static shielding air-cell pouch bags offer protection from physical damage. The shielding feature of the bag protects sensitive components from ESD events. The bag is a three-layer construction for optimum protection. A zipper closure is standard. Five sizes are available from 4 x 6 inches to 12 x 16 inches. Custom sizes are also available. ESD Systems, Marlboro, Mass.
Temporary Bonding Adhesive
Master Bond has recently developed an adhesive for temporary bonding. The MB600 is a single component, storage stable inorganic compound that features heat resistance and good adhesion to metals, ceramics, glass, most plastics and rubber. It cures readily at ambient temperatures and more quickly at elevated temperatures. It is odorless, non-toxic and non-flammable. The cured MB600 adhesive is water-soluble and does not leave an undesirable contaminant on the previously bonded surfaces. Master Bond Inc., Hackensack, N.J.
BGA Socket Adapter
Advanced Interconnection has introduced a 0.0295-in. pitch BGA socket adapter system. It is designed as an alternative to soldering BGA devices directly to the PC board and is specifically for production applications. It is the same size as the micro-BGA package, while the adapter is only 2 mm larger, making it one of the smallest socketing systems available. The features include an adapter and socket that are the same size as the device, process yields that are equivalent to direct attach, eutectic solder ball terminals that reflow at standard solder process temperatures and availablity in tape-and-reel packaging for automated assembly. The adapter easily plugs into the mating SMT socket. Advanced Interconnections, West Warwick, R.I.
Prostat has introduced the PRS-801 Resistance System, a unique, wide-range ohmmeter that features computer communication capabilities, as well as data logging and calculating. It records and stores up to 80 measurements and calculates minimum, maximum and average of all stored data. Multiple test voltages are available in <10V, 10V and 100V ranges, which may be selected automatically by the instrument or manually by the user. The PRS-801 is fully automatic, portable and battery operated. Prostat Corp., Bensenville, Ill.
Tenney Environmental has introduced a fully integrated vibration, temperature and humidity test system. This 14 x 14 x 14-ft. chamber has a unique two-part configuration that provides excellent vibrator-to-chamber compatibility. The chamber includes a 200°C maximum temperature, stainless steel shelving and a viewing window. Tenney Environmental, Williamsport, Pa.
Quadtech Inc. has released a new product catalog that provides an overview and product reference charts for its line of electrical safety test equipment and passive component testers. Included is a complete family of Hipot testers and safety analyzers designed for a variety of electrical safety tests. Also included is a complete line of LCR meters and bridges, transformer testers, megohmmeters, and milliohmmeters used for production or testing of passive components and materials. QuadTech Inc., Maynard, Mass.
Spectra-Physics has introduced a new semiconductor pumped, solid state laser that offers a combination of UV output power and repetition rate for high throughput industrial applications. The BL6-355Q delivers over 1 W of average power at 355 nm, at a repetition rate of 35 kHz. This small laser features an LBO tripling crystal that can be translated into 77 different operating positions, eliminating crystal degradation as a lifetime limiting factor. When the crystal does need to be replaced, the tripling module can be exchanged in the field without the need for optical realignment. The single 40 W semiconductor pump laser can also be replaced without the need for any subsequent realignment. Spectra-Physics, Mountain View, Calif.
The M-9100AV rework system from Manncorp automatically calculates alignment, places the component and solders it with a few clicks of a mouse. It requires minimal training and no calibration. This software-driven system can align components and control temperature, airflow and duration during the solder process automatically. Solder profiles are graphically displayed in real-time for monitoring. The system includes a large area IR board heater to prevent board warp, plus pad cleaning and precision dispense tools. Manncorp, Huntingdon Valley, Pa.
Alpha-Fry Technologies has introduced the OMNIX 5000, a broad latitude, SMT solder paste. It is fast, easy to print, and has readily pin-testable residues, while exhibiting low slump. It reduces rework and maximizes output. The OMNIX 5000 can be squeegee or pump printed at high speeds and prints at squeegee speeds of 200 mm/sec with consistent print volumes and definition after pauses. It has good resistance to temperature and has good wetting characteristics. Alpha-Fry Technologies, Jersey City, N.J.