Fluid discharge head and recording device

A fluid discharge head comprising:

• a channel member comprising
• a plurality of discharge holes,
• a plurality of pressurization chambers individually linked to the plurality of discharge holes,
• a first shared channel linked to the plurality of pressurization chambers, and
• a second shared channel linked to the plurality of pressurizing chambers;
• and
• a plurality of pressurization portions that individually pressurizes the plurality of pressurization chambers,
• wherein the first shared channel opens at a plurality of first openings linked to the plurality of pressurization chambers, and the first shared channel comprises a first connection region that is a range of distribution of the plurality of first openings in a channel direction of the first shared channel,
• wherein the second shared channel opens at a plurality of second openings linked to the plurality of pressurization chambers, and the second shared channel comprises a second connection region that is a range of distribution of the plurality of second openings in a channel direction of the second shared channel,
• wherein the channel member further comprises
• a bypass channel linked to the first connection region and the second connection region that is in parallel with the plurality of pressurization chambers,
• a plurality of relay channels linking the plurality of pressurization chambers and the plurality of second openings to each other, and
• wherein the plurality of relay channels each comprise
• a plurality of individual channels individually linked to the plurality of pressurization chambers, and
• a plurality of connection channels linking two or more of the plurality of individual channels to the second connection region, a number of the plurality of connection channels being smaller than a number of the plurality of individual channels,
• wherein the bypass channel is connected to at least one connection channel of the plurality of connection channels and is linked to the second connection region via the at least one connection channel, and
• wherein the bypass channel is connected to at least one relay channel of the plurality of relay channels and is linked to the second connection region via the at least one relay channel.

A fluid discharge head comprising:

• a channel member comprising
• a plurality of discharge holes,
• a plurality of pressurization chambers individually linked to the plurality of discharge holes,
• a first shared channel linked to the plurality of pressurization chambers, and
• a second shared channel linked to the plurality of pressurizing chambers;
• and
• a plurality of pressurization portions that individually pressurizes the plurality of pressurization chambers,
• wherein the first shared channel opens at a plurality of first openings linked to the plurality of pressurization chambers, and the first shared channel comprises a first connection region that is a range of distribution of the plurality of first openings in a channel direction of the first shared channel,
• wherein the second shared channel opens at a plurality of second openings linked to the plurality of pressurization chambers, and the second shared channel comprises a second connection region that is a range of distribution of the plurality of second openings in a channel direction of the second shared channel,
• wherein the channel member further comprises
• a bypass channel linked to the first connection region and the second connection region that is in parallel with the plurality of pressurization chambers,
• wherein the bypass channel comprises a plurality of bypass channels,
• wherein the channel member comprises the plurality of pressurization chambers and the plurality of bypass channels with a pitch in which the plurality of bypass channels are disposed at a ratio of one each per a predetermined number of the plurality of pressurization chambers in the channel direction of the first shared channel, and
• wherein channel resistance of a path from the first shared channel to the second shared channel via one bypass channel of the plurality of bypass channels is ½ times or more and two times or less channel resistance of a path from the first shared channel to the second shared channel via the predetermined number of the plurality of pressurization chambers.