Patent ID: 9150026
Filing Date: 2015-10-06
Classification: B01D,B41J

Abstract:
1. A liquid jetting apparatus comprising: a liquid jetting head configured to jet a liquid from a nozzle; a cartridge installation portion to which a liquid cartridge retaining the liquid to be supplied to the liquid jetting head is installed; and a filter provided in a channel extending from the cartridge installation portion to the liquid jetting head, wherein, the filter is an electroformed filter which is formed by depositing metal on a master block and in which a plurality of through holes is formed, an area S of the filter satisfies a condition of S the lower limit S provided that μ is a viscosity of the liquid; Q is a maximum value of a flow rate of the liquid flowing through the filter in a case that the liquid is jetted from the nozzle; N is the number of the through holes per unit area of the filter; d is a diameter of the through holes; ΔP b is a constant expressed as: and L is a thickness of the filter, the upper limit S provided that S