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Materials, Chemicals, Coatings News
Clue to Boy's Killer
Sep 1, 1997 — Laser enhances image In the Martinez case, forensic specialists applied super-glue (cyanocrylate) fumes to the print and rinsed the surface with rhodamine, a fluorescent dye. Then they exposed the print to the laser; the light was passed through an orange filter to maximize the illumination. "For nonporous-type surfaces, like weapons or plastic bags, it's very effective," said Michael Murphy, supervisor of the latent print section of the California Justice Department's Bureau of Forensic...
New Regulation Hits California Optics Makers
Sep 1, 1997 — DIAMOND BAR, Calif. -- Optics companies in Southern California will have to change dramatically the way they clean their manufacturing systems, according to a regulation recently passed here. In what it calls its biggest step against airborne...
Europeans Aim to Decorate Plastics
Aug 1, 1997 — Lambda Physik has teamed up with several partners for the European Brite/Euram III development program to design a system for laser decoration. The proposed system will create permanent multicolor patterns and photographic images directly on various...
Excimer Lasers, High-NA Optics Push Lithography
Jul 1, 1997 — BALTIMORE -- Developments in excimer lasers and high numerical aperture optics technology are pushing photonics into the forefront of semiconductor microlithography, where laser-created feature sizes have already dipped below 0.25 µm.David...
Resurfacing Fattens up Big Lens
Jul 1, 1997 — A team of astronomers at the University of Arizona had a second try at creating the world's largest one-piece telescope mirror June 10. In April, it was discovered that 2 tons of glass had leaked out from the 8.4-m mirror and in certain places the...
Technique Offers Real-Time 3-D Microscopy for Materials
Jul 1, 1997 — JENA, Germany -- German microscope manufacturer Carl Zeiss Jena GmbH has developed a technique that it says provides three-dimensional, real-time microscopic images with the high resolution and sharp contrast of conventional light microscopy.The...
Integrated Circuit Uses 'Critters' to Detect Contamination
Jun 1, 1997 — OAK RIDGE, Tenn. -- What's half living, half machine and can sniff out pollutants and chemicals in a single whiff? The latest microsensor technology from the US Department of Energy's Oak Ridge National Laboratory (ORNL) combines living luminescent...
Laser Techniques Make Surfaces Spotless
Jun 1, 1997 — Surface contamination by microscopic particles is currently one of the most serious problems facing the microelectronics industry. As much as 50 percent of yield losses could be attributable to particulates. Furthermore, as the demand for smaller...
Sapphire Could Become Interferometry's Crowning Jewel
May 1, 1997 — NEDLANDS, Australia -- The gemology community considers sapphire to be one of the most precious stones on Earth, and researchers believe that the blue crystals' use as beamsplitters in laser interferometer gravitational wave detectors could be just...
Spectroscopy Gauges Blast Potential
May 1, 1997 — ATLANTA -- When FBI agents rush into the hideouts of terrorist groups, they often find jars of chemicals that could be explosive. Some explosives are so dangerous that they would be downright deadly under even the gentlest of jostling, so carrying...
The Future Looks Bright for IR Plane Deicer
May 1, 1997 — While the FAA does not have a strict approval process like the US Food and Drug Administration, Process Technologies Vice President Tim Seel said working with the government has paid off in global interest. In 1995, the company entered a cooperative...
Infrared Imager Helps Evaluate Papermaking Process
Apr 1, 1997 — The papermaking industry is among the highest consumers of energy in the US, and researchers at the Institute of Paper Science and Technology (IPST) in Atlanta are working to make the process more energy efficient. They chose Secaucus, N.J.-based...
Side-Pumping Diodes Mean More Power for Materials Processing
Apr 1, 1997 — SUNNYVALE, Calif. -- A novel technology in which a side-pumped laser diode drives a solid-state laser source could mean more power and greater precision for materials processing applications, say the scientists who developed it. Use of diode lasers...
Nifty 'Trick' Leads to First 3-D Optical Gratings
Mar 1, 1997 — Scientists at Lucent Technologies in Murray Hill, N.J., and The Netherlands' Utrecht University have discovered how to "trick" billions of glass spheres, each about as wide as one wave of visible light, into forming 3-D optical gratings. Researchers...
Optical Fibers Make Sense of Chemicals
Mar 1, 1997 — Optical fibers have revolutionized a variety of fields: They carry images through endoscopes, voices through phone lines, data and video through cable networks, and, more recently, physical and chemical information through sensors. The fiber's...
Photonic Cleaning Process Moves to Heavy Industry
Mar 1, 1997 — A process originally developed for the microelectronics industry and typically used for keeping semiconductor components free of minute contaminants could now prove to be a boon to tire manufacturers. In an unusual case of technology transfer, one...
Photonics Makes Refinery a Good Neighbor
Feb 1, 1997 — RODEO, Calif. -- As part of a "good neighbor" agreement, Unocal Corp. plans to incorporate seven infrared, ultraviolet and laser sensors into what it calls the world's most comprehensive refinery air-monitoring system. The agreement ends two years...
Standard Published for Optical Fiber Coating Removal
Feb 1, 1997 — A new standard published by the Telecommunications Industry Association (TIA), titled "Measurements of Strip Force for Mechanically Removing Coatings from Optical Fibers," quantifies the force needed to remove coatings from fibers along the...
X-Ray Microcalorimeter Developed for Improved Materials Analysis
Feb 1, 1997 — An x-ray microcalorimeter developed by the National Institute of Standards and Technology could improve materials analysis in the semiconductor industry. The device, compatible with commercially available scanning electron microscopes, can achieve...
A Bright Future for Organic Light-Emitting Diodes
Jan 1, 1997 — Organic materials are part of our everyday life, but only recently have photonic devices begun to exploit their versatility. For more than 20 years it was common knowledge that organic crystals exhibited electroluminescence when large voltages were...
Bright Days Seen Ahead for Optical Coating Industry
Jan 1, 1997 — NORWALK, Conn. -- Steady growth through the turn of the century is the forecast for the worldwide optical coating market, says a report from Business Communications Co. Inc. (BCC). The growth is expected to be buoyed by expanded use in medical and...
Imager Helps Standardize Process Transfers
Jan 1, 1997 — In the advanced materials processing arena, the use of low-pressure gas discharges is on the increase in applications such as the creation of submicron microchip architectures and thin diamond film deposition. Plasma conditions and processes are...
Nearing the End of the Road
Dec 1, 1996 — MAINZ, Germany -- The fourth and final glass/ceramic mirror substrate for the Very Large Telescope has been sent from Schott Glaswerke to R.E.O.S.C. near Paris for final finishing. Each of the 8.2-m mirrors took 23 months to complete and will be in...
'Artificial Nose' Uses Fiber Optics to Emulate the Real Thing
Nov 1, 1996 — MEDFORD, Mass. -- One of the most complex sensors of all -- the human nose -- is the inspiration for a fiber optic sensor that can detect and differentiate chemical vapors better than commercial electronic chemical-detecting devices. "Commercial...
Irish Research Institute Chooses Belgian Micromachining System for New Lab
Nov 1, 1996 — The National Micro-Electronics Research Institute of Cork, Ireland, is establishing a laser micromachining laboratory within its NMRC Materials Group that will use the LightDeck Micromachining System from Optec of Hornu, Belgium. The institute chose...
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May 2024
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