Patent ID: 6120133
Filing Date: 2000-09-19
Classification: B41J

Abstract:
A magnetic ink jetting apparatus for jetting magnetic ink with a uniform mixture of pigment and liquid, said apparatus comprising:a nozzle plate having a nozzle;a first ink chamber barrier disposed adjacent to said nozzle plate having said nozzle, wherein said first ink chamber barrier defines an ink chamber and said nozzle is disposed at one end of said ink chamber;a magnetic layer creating magnetism in the ink chamber so as to concentrate the pigment of the magnetic ink, wherein the magnetic layer is disposed on a side of said first ink chamber barrier opposite from a side adjacent to said nozzle plate; anda second ink chamber barrier disposed adjacent said magnetic layer on a side opposite that of said first ink chamber barrier wherein said second ink chamber barrier defines said ink chamber and said second ink chamber barrier is formed on a plurality of protection layers formed at another end of said ink chamber.