Element substrate having connecting wiring between heat generating resistor elements and ink jet recording apparatus

An ink jet recording head which effects recording by ejecting an ink from a plurality of nozzles, said recording head comprising:

• an element substrate including a plurality of heat generating resistor elements, provided on an insulative layer, for ejecting the ink, said plurality of heat generating resistor elements being provided for each of said nozzles;
• a first wiring which is connected between each of said plurality of heat generating resistor elements and a common line through a through-hole formed in said insulative layer, wherein the common line applies a voltage commonly to said heat generating resistor elements for the plurality of nozzles;
• a second wiring which is electrically connected to each of said heat generating resistor elements and associated ones of a plurality of driving elements for driving the heat generating resistor elements independently from each other;
• and
• nozzle walls for defining the nozzles,
• wherein said heat generating resistor elements are disposed between said common line and said driving elements on the substrate, and
• wherein said first wiring, said heat generating resistors and said second wiring are disposed in this order on said element substrate.

An ink jet recording apparatus wherein recording is effected by ejecting an ink from a plurality of nozzles, said apparatus comprising:

• an ink jet recording head including:
• an element substrate including a plurality of heat generating resistor elements, provided on an insulative layer, for ejecting the ink, said plurality of heat generating resistor elements being provided for each of said nozzles;
• a first wiring which is connected between each of said plurality of heat generating resistor elements and a common line through a through-hole formed in said insulative layer, wherein the common line applies a voltage commonly to said heat generating resistor elements for the plurality of nozzles;
• a second wiring which is electrically connected to each of said heat generating resistor elements and associated ones of a plurality of driving elements for driving the heat generating resistor elements independently from each other;
• and
• nozzle walls for defining the nozzles;
• and
• said apparatus further comprising means for mounting said ink jet recording head,
• wherein said heat generating resistor elements are disposed between said common line and said driving elements on the substrate, and
• wherein said first wiring, said heat generating resistors and said second wiring are disposed in this order on said element substrate.

An element substrate for an ink jet recording head which effects recording by ejecting an ink from a plurality of nozzles, said substrate comprising:

• a plurality of heat generating resistor elements, provided on an insulative layer, for ejecting the ink, said plurality of heat generating resistor elements being provided for each of said nozzles;
• a first wiring which is connected between each of said plurality of heat generating resistor elements and a common line through a through-hole formed in said insulative layer, wherein the common line applies a voltage commonly to said heat generating resistor elements for the plurality of nozzles;
• and
• a second wiring which is electrically connected to each of said heat generating resistor elements and associated ones of a plurality of driving elements for driving the heat generating resistor elements independently from each other,
• wherein said through-hole is common for said plurality of heat generating resistors.

An ink jet recording head which effects recording by ejecting an ink from a plurality of nozzles, said recording head comprising:

• an element substrate including a plurality of heat generating resistor elements, provided on an insulative layer, for ejecting the ink, said plurality of heat generating resistor elements being provided for each of said nozzles;
• a first wiring which is connected between each of said plurality of heat generating resistor elements and a common line through a through-hole formed in said insulative layer, wherein the common line applies a voltage commonly to said heat generating resistor elements for the plurality of nozzles;
• a second wiring which is electrically connected to each of said heat generating resistor elements and associated ones of a plurality of driving elements for driving the heat generating resistor elements independently from each other;
• and
• nozzle walls for defining the nozzles,
• wherein said through-hole is common for said plurality of heat generating resistors.

An ink jet recording apparatus wherein recording is effected by ejecting an ink from a plurality of nozzles, said apparatus comprising:

• an ink jet recording head including:
• an element substrate including a plurality of heat generating resistor elements, provided on an insulative layer, for ejecting the ink, said plurality of heat generating resistor elements being provided for each of said nozzles;
• a first wiring which is connected between each of said plurality of heat generating resistor elements and a common line through a through-hole formed in said insulative layer, wherein the common line applies a voltage commonly to said heat generating resistor elements for the plurality of nozzles;
• a second wiring which is electrically connected to each of said heat generating resistor elements and associated ones of a plurality of driving elements for driving the heat generating resistor elements independently from each other;
• and
• nozzle walls for defining the nozzles;
• said apparatus further comprising:
• means for mounting said ink jet recording head,
• wherein said through-hole is common for said plurality of heat generating resistors.