PhotoMachining Inc. of Pelham, N.H., a precision laser micromachining provider, has announced UV micromachining with excimer, frequency-tripled and frequency-quadrupled lasers. The advantages of UV lasers over conventional infrared sources include the ability to process parts using “cold” ablation, to achieve the smallest feature sizes and to precisely control material removal. The lasers have recently become available and are suitable for applications where small features are desired and the cleanliness of parts is essential.
- A contraction of "excited dimer." The term refers to an excited species made by combination of two identical atoms or molecules, one of which is excited and one of which is at a ground state.
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