You can use different technologies for patterning micro-sized metallic particles on glass substrates. Techniques such as reverse offset, screen printing, inkjet printing and electrohydrodynamic patterning.
Hello, for the particles that bigger 3-5 microns best tool is stereomicroscope and kind of micromanipulator, which can be done from a couple of niddles with convenient holders. For such tasks I am using as well needls that used dentists for treatment of dent's roots. Good luck!
If you have any university, please visit solid state physics or material science lab. They use vacuum coating technique. Essentially there is a bell jar in which very low pressure can be created. There is place called boat in which you can put the metal to be coated, in microgram. The glass on which it is to be coated below the boat. One has to prepare a mask of desired picture cut in it. Now put all inside the jar. With high voltage the metal is vapourised and it falls and coats to the desired degree. This process is used to prepare thin films of semiconductors for studies. You can certainly coat any glass surface. Another method is to prepare a paint with the metal and coat the glass with the paint. With wax create any design on a special paper and paste it on the painted part of the glass. Dip whole thing in carefully prepared acid bath. The paint all the parts except where there is paper get disolved. Wash the glass and rinse it. This will give you desired effect. To get first hand information please visit any solid state laboratory.
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