Inktec Co. | Date: 2013-03-21
Disclosed is an ink cartridge for a printer, comprising a body having an opened surface and a predetermined size to receive ink therein; a cover coupled with the body to define a desired space and having a pressure regulation part for regulating an internal pressure of the body; and a chamber instrument comprising a filling chamber having a body for receiving a part of the ink in the body, a discharging chamber connected with the filling chamber, an ink transferring channel for moving the ink received in the filling chamber to the discharging chamber, an air inducing channel for guiding air to an inside of the cartridge and an air suction valve for selectively passing the guided air.
Inktec Co. | Date: 2012-05-11
The present invention relates to a silver complex obtained by reacting at least one silver compound represented by the formula 2 below with at least one ammonium carbamate compound or ammonium carbonate compound represented by the formula 3, 4 or 5 below:
Inktec Co. | Date: 2013-10-22
The present invention relates to a silver complex obtained by reacting at least one silver compound represented by the formula 2 below with at least one ammonium carbamate compound or ammonium carbonate compound represented by the formula 3, 4 or 5 below: wherein X, R
Inktec Co. | Date: 2013-01-15
The present invention provides an etching solution for silver or silver alloy comprising one at least ammonium compound represented by the formula (1), (2) or (3) below and an oxidant:
Inktec Co. | Date: 2013-01-31
A process for preparation of silver oxide with various shape and size using a silver complex compound having a special structure, includes 1) step of preparing a precursor solution including a silver complex compound obtained by reacting a silver compound with one or more mixture selected from the group consisting of an ammonium carbamate-based compound, an ammonium carbonate-based compound or an ammonium bicarbonate-based compound in the presence of a solvent; and 2) step of preparing silver oxide by reacting the precursor solution including the silver complex compound of step 1) with an oxidant. The shape and particle size of the silver oxide prepared according to the preparation process can be changed.