Carbonless copy paper is other name for non-carbon copy paper (or NCR paper). Carbonless copy paper it’s an alternative to carbon paper. Carbonless copy paper used to be used by making a copy of an original, handwritten document without the use of any electronics.

Other very qualified sort of paper is coated papers. As is known (thanks Wikipedia), coated paper is paper which has been coated by a compound to impart certain qualities to the paper, including weight and surface gloss, smoothness or ink absorbency. Coated papers are usuallly made from Kaolinite, but synthetic or natural organic compounds, such as resins, PVC or starches, may also be used (Kaolinite is most often used for coating papers used in commercial printing). Coatings may also protect against ultraviolet radiation. It gives also water resistance and wet-strength.

What is it for? Good cash paper can use cash register rolls of paper. Cash register rolls could be, for example: carbonless copy paper good in tightness, high brightness, good in toughness and seamless, neat end surface. Cash register rolls should be also convenient and practical.

Good cashier is a machine, which can be used by each person.

Not so long ago several types of microscopes are available for studying and analyzing the surfaces of coated papers. The primary advantages of the optical microscope are its ease of use and low cost.

The most common type of sample preparation is sputter coating a metal on the surface, which can cause the surface topography of the sample that will be imaged to change.