micro machining micro cluster perforation, scribing, marking, piracy

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Anti piracy counterfeiting design and cluster system
As known offline laser perforation machines or processes generating strait holes lines in web direction of running cigarette tipping paper webs or other materials. Excluding spray laser designs which looks similar as random holes into certain zone areas as electrostatic perforation. The world wide new and patent pending DE102004012081 Micro-Laser-Line MLL-1 technology generates cluster pattern, micro holes, sinus, waves, zigzag, cryptograms, logos, holograms, brand names or other kind of perforation designs in web direction which can look like as a group of micro laser lines. Concerned tipping paper means non coaxial circumference at cigarette filters. New beam divert moving, scanning, flipping elements control each single laser perforation lines in cross material direction which are precise focused for micro holes in ranges from 50-120 microns. All to uses for laser sources and types as Co2, YAG, EXCIMER, UV, FIBER, SOLID STATE or DIODE.

Super high-speed Co2 laser beam control
Technological approached as ultra-high scan speeds up to 4, 000 Hz or 240, 000 rpm with commercial air-bearing motors. REAL galvanometer scanner alternatives, precise laser beam deflection up to 4 Kilowatt Co2 by high dynamic performances. From 8-15mm laser beam aperture diameter, advantage beam quality factor M2 less 0.9 for focus spots down to 60 micron. Absolute diffraction limits, because small focused spot sizes which are proportional inversely of laser beam input diameter. In other words, larger laser beam apertures will produce smaller focused spot sizes, as especially needed for micro cluster perforation, drilling and other micro machining applications. Spin actuator with special optical coating, optimized outer shape, very precise rotation balance by inner body laser ablation, hollow body with inner cavities by low mass material condition, excellent relation of stiffness-to-weight, high hardness, adapted total vibration free vacuum cylinder case. Asymmetrically rotary reflection cones from 40-80mm base diameter, average mirror surface roughness lower as 0.1 micron, form accuracy lower 0.01 micron, operation sequences are precise synchronize with material speed. Envelope curves of the selected perforation pattern are storage and calculated by PLC control before single holes and holes groups supervised during production processes.

Product processes and advantages
MLL-1 enable total different product indicators and milestones against other laser perforation or material treatment processes which allows significant product property, trademark indications, patent claims, unique company features in micro perforation of tipping, cigarette packaging or other paper or material. E.g. wide range of laser perforation groups as common active ventilation zone to obtain several advances in air stream distributions into cigarette filter, perfect perforation line guiding around cigarette filters or other food, domestic, industry products to assure constant porosity results. Several pattern or wave line design for different brands, number of holes or pattern with 10-20 per cm length are constant, porosity range 100-1, 000 C.U., holes sizes 60-120 micron, holes densities from 100, 000-500, 000 holes per second in total. From 1 up to 6 perforation pattern, lines, marks or scripts can combines a group, perforation hole, pattern quality or porosity remains in standard levels. Other web material, substrate or products are treatable in similar processes, existent laser perforation, treatment machines are able to modify with new optical, micro mechanical and control elements. Low investment and finance budget of technical modifications because exchanges of certain components, complete devices are adaptable on existent offline perforation machines or other laser treatment handling systems. Capability to adapt beam divert devices or units at online perforation system at cigarette making machines up 12, 000cpm.

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