Head module, printing apparatus, and printing method

• Main Author: UCHIDA HIROTO,MURATA MASAO,TANAKA YASUZO,YUYAMA JUNPEI,KOSHINA HIROSHI,INOUE YUYA,TSUJI TAKANORI,HANE KOJI
• Format: Patent
• Language: English
• Published: 03.10.2007
• Subjects: APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; CORRECTION OF TYPOGRAPHICAL ERRORS; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; LINING MACHINES; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PERFORMING OPERATIONS; PHYSICS; PRINTING; SELECTIVE PRINTING MECHANISMS; SPRAYING OR ATOMISING IN GENERAL; STAMPS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; TRANSPORTING; TYPEWRITERS

In a first invention, the flow of a spacer-dispersed liquid occurs in a transportation chamber (22) separated from a discharge chamber (21) by an internal filter (30), and as a result, the discharge chamber (21) located on the nozzle plate (26) side is not affected by the flow and the spacer-dispersed liquid is stably discharged from an ejection hole (32). In a second invention, in a printing condition where a spacer-dispersed liquid (167) is discharged, the spacer-dispersed liquid does not flow inside a discharge chamber (121), and therefore the spacer-dispersed liquid (167) is stably discharged from an ejection hole (132). On the other hand, in a standby condition where the spacer-dispersed liquid is not discharged, the spacer-dispersed liquid is caused to flow in both the discharge chamber (121) and a transportation chamber (122), and as a result, spacer particles (169) in the spacer-dispersed liquid (167) do not settle.