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2. Permanent marker - Wikipedia

   en.wikipedia.org/wiki/Permanent_marker

   In general, permanent marker ink comprises a main carrier solvent, a glyceride, a pyrrolidone, a resin, and a colorant, [1] making it water resistant.It is capable of writing on a variety of surfaces from paper to metal to stone.

3. Inkjet printing - Wikipedia

   en.wikipedia.org/wiki/Inkjet_printing

   The lifetime of inkjet prints produced using aqueous inks is generally shorter (although UV-resistant inks are available) than those produced with solvent-based inkjets; however, so-called "archival inks" have been produced for use in aqueous-based machines which offer extended life.

4. Gel pen - Wikipedia

   en.wikipedia.org/wiki/Gel_pen

   A gel pen uses ink in which pigment is suspended in a water -based gel. [ 1] Because the ink is thick and opaque, it shows up more clearly on slick surfaces than the typical inks used in ballpoint or felt tip pens. Gel pens can be used for many types of writing and illustration. The general design of a gel pen is similar to that of a regular ...

5. Solder mask - Wikipedia

   en.wikipedia.org/wiki/Solder_mask

   Solder mask, solder stop mask or solder resist is a thin lacquer -like layer of polymer that is usually applied to the copper traces of a printed circuit board (PCB) for protection against oxidation and to prevent solder bridges from forming between closely spaced solder pads. Soldermask [2] is a printed circuit board (PCB) manufacturing ...

6. Tygon tubing - Wikipedia

   en.wikipedia.org/wiki/Tygon_Tubing

   Tygon 2075 Ultra Chemical Resistant Tubing is a plasticizer-free material that is known for its high degree of chemical resistance. It can be used in ink and printing fluid dispensing, paint and solvent production, and is resistant to MEK and other chemicals. When properly incinerated it releases only carbon dioxide and water.

7. Photoresist - Wikipedia

   en.wikipedia.org/wiki/Photoresist

   Physical, chemical, and optical properties of photoresists influence their selection for different processes. [13] The primary properties of the photoresist are resolution capability, process dose and focus latitudes required for curing, and resistance to reactive ion etching.