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The Harms of Harmony

(Magazine)

November 29, 2004, ... is a bad thing. In many web processes, however, harmony creates waste. A harmonic is a wavelength or vibration. Web processes are filled with rotating elements. If any rotating element is out of balance ...

Pilot Line

(Magazine)

October 30, 2004, ... the thermal dryer and can be used when additional drying is needed. Prior to the thermal dryer, there is also an IR system with two wavelengths. Remoisturizing is provided by a Thermoweb unit capable of ...

Lasers Beam

(Magazine)

September 29, 2004, ... cost per watt. Also important has been the development of lasers with an output wavelength of 10.2 microns, which delivers up to a 3x increase in cutting speed for thin biaxially oriented polypropylene ...

New Inks Have a High IQ

(Magazine)

August 30, 2004, ... exposed to a specific wavelength of light. They are useful in security applications as well as monitors for UV exposure. Thermochromics change color as temperature changes and are used in medical and packaging ...

The Signs of Shear Wrinkle

(Magazine)

July 31, 2004, ...  A trough is the buckled, out-of-plane web in a span between rollers. Troughs usually are spaced in wavelengths of 1-3 in. crossweb, running mostly in the machine direction but may be angled off 5-20 ...

New Materials for the Converting Industry, PFFC, June 2004

(Magazine)

May 30, 2004, ... at particular wavelengths and fluorescent and phosphorescent compounds that emit visible light when irradiated by UV. The combination of dyeing, printing, and organic and vacuum coating is said to provide ...

New Products for the Converting Industry, PFFC, June 2004

(Magazine)

May 30, 2004, ... rotary screen. IR System Dries Efficiently Radiant Energy Systems, Hawthorne, NJ; 800/486-7786; radiantenergy.com The SFA IR air heater system dries coatings on micro-porous membrane films. Medium-wavelength ...

Migration of Fluorescent Whitening Agents from Food Packaging Made from Recycled Paper

(Magazine)

February 28, 2004, ... derivatives of 4,4'-diaminostilbene-2,2'-disulfonic acid shown in Figure 1. They have the same spectral characteristics in terms of the wavelength maxima of absorption and emission: ˜350 and ˜425 nm, respectively. ...

FTIR Spectroscopy Means Faster, More Reliable Analysis

(Materials)

May 31, 2003, ... enhanced IR spectrophotometer that makes use of Michelson's interferometer. That is, instead of separating different wavelengths for measurement, the complete spectrum is encoded as an interferogram ...

Release Liners: A Worldwide Special ReportEB/UV Curing Drying

(Archive)

October 31, 2002, ... The higher the voltage, the more likely this is to occur. Ultraviolet Light (UV) Ultraviolet is defined as electromagnetic radiation with wavelengths between 4,000 angstrom units (Å), the wavelength ...

What's New at Labelexpo America

(Magazine)

July 31, 2002, ... block 80%-98% of IR (infrared) light in the 800-1,100 nm wavelength while allowing 40%-50% transmission of visible light. Booth 2039 at Labelexpo. Measure Color Consistency On-Press Eltromat Electronics, ...

Foiling Counterfeiters

(Magazine)

July 31, 2002, ... only be seen under a light frequency that matched the wavelength of the hologram itself. White light was ineffective, and ultimately, so were the earliest holograms. They didn't become commercially viable ...

Reclosability & Flex-Packs

(Magazine)

January 31, 2002, ... to the CO2 laser wavelength, LMI developed “AcuTear” products such as “AcuScore” that use a well-focused laser beam to vaporize a narrow groove on the film to the precise depth needed, leaving the functional ...

Image This! Among the Acronyms, Flexo Finds Its Fit

(Magazine)

October 30, 2001, ... and they keep costs at bay,” says White. The CO2 laser beam has a wavelength that's about ten times that of lasers used for LAMS CTP, White reports. “According to an optical rule, its beam, consequently, ...

What's New in Narrow We

(Magazine)

September 30, 2001, ... or shut down the production line. Fully programmable for selective wavelength monitoring, the LM-9000 has a spectral sensitivity range of 200-450nm, with optional upgrade for monitoring visible light. ...

Reporter Clips

(Magazine)

August 31, 2001, ... of label presses. In addition to mercury lamps, the co. has developed a wide range of metal halide lamps that create specific wavelengths of UV radiation to match the sensitivity of the photopolymer being ...

UV/EB technology moves ahead with the times

(Magazine)

June 30, 1996, ... contain precise custom mixtures of different metals to provide light at specific wavelengths to match the coating to be cured. This is important, because UV coating and adhesive chemistry has been greatly ...

Measurement technique improves metallized PP

(Magazine)

November 30, 1995, ... the surfaces and the wavelength of the reflected light. The key to vertical scanning interference microscopy is to combine reflected light from a reference mirror surface and the surface under test. ...