Shows how excimer & Impact lasers can be used to strip polymer insulation from wires & contact pads. Explains why 2-sided stripping can work on thin enough wires & gives examples of 2 & 3 way strippers, with machines & applications. RAE14 – Excimer Laser Stripping of Insulation(wires & pads)

Examines a typical PLD set-up & the resulting highly non-uniform beam spot. Shows how Optec beam shaping modules & other BDU components can be used to generate uniform intensity & structured spots with high efficiency. RAE13 – Beam Delivery for Pulsed Laser Deposition

Examines what limits the lifetime of the UVFS & CaF2 optics used for excimer lasers, looking at bulk effects , surface effect including AT coatings, and contamination. Gives a guide to expected lifetime & examines how optics can be protected. RAE12 – Lifetime of Optics in Excimer Laser Systems

Reviews the development of small excimer-based machines over the past 30 years from LightDeck to MicroMaster V1-V6, Promaster, LB Systems, MicroMaster V7, Lightshot V3 & ‘minimal’ LB Smart systems, built in many variants. RAE11 – Short History of Small Optec Machines

Covers micromachining of polymers to µm scale resolution using mostly excimer lasers, giving many examples of drilling, grooving & milling. Also gives some examples of drilling of hard materials & processing using Impact CO2 TEA lasers. RAE10 – Micro-Machining of Polymers Using Lasers

Explains how interference effects using microlens arrays for beam homogenization can be avoided by using aperiodic Engineered Diffusers, which unlike classical Lambertian diffusers can produce a specific angular distribution profile. RAE09 – Using Diffusers for Beam Homogenization

Explains the physics & pros & cons of using Impact CO2 TEA lasers as an alternative to excimers. RAE08 – CO2 TEA Impact Laser Processing

Deals with the design of integrating type beam homogenizers based on microlens arrays, covering single or double arrays, the use of a field lens, numerical aperture & telecentricity. RA_E_07 – Design Rules for Array Type Homogenizers

Deals with the range of masks used in projection systems, including simple motifs, motif sectectors, dynamic masks, complex masks for parallel processing, mask scanning & OCM, rotating masks & M/FS & grey scale masks. RA_E_06 – mask options for excimer laser micromachining

Attemps to cram optical theory into 4 pages, dealing with what limits resolution, DOF etc.; specifically aimed at excimer laser micromachining but relevant to other situations, includes handy formulae. RA_E_05 – Excimer Laser Micromachiner’s Optics Primer