Ink-jet printhead
AssigneeSamsung Electronics Co., Ltd.
InventorsKwang-ryul Kim, Sang-cheol Ko, Jong-suk Seo
Life of this patent
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Abstract
An ink-jet printhead comprising a substrate which includes an ink chamber where ink is stored, nozzles through which ink in the ink chamber is ejected, and a plurality of pads which apply an electrical signal to generate droplets in the ink chamber, a flexible printed circuit (FPC) cable which includes a conductor corresponding to each of the pads, each conductor having bonding portions at front ends thereof, and connection members which electrically connect the pads to the bonding portions.
Claims26
An ink-jet printhead comprising:
- a substrate which includes an ink chamber where ink is stored, nozzles through which ink in the ink chamber is ejected, and a plurality of pads which apply an electrical signal to the substrate to generate droplets in the ink chamber;
- a flexible printed circuit (FPC) cable which includes a conductor corresponding to each of the pads, each conductor having bonding portions at front ends thereof;
- and
- connection members which electrically connect the pads to the bonding portions.
An ink-jet printhead, comprising:
- a substrate including a first conductor having a bonding pad;
- a Flexible Printed Circuit (FPC) having a second conductor having a bonding portion corresponding to the bonding pad;
- and
- a connection member, wherein the connection member electrically connects the bonding pad of the first conductor to the bonding portion of the second conductor, and
- the connection member is bonded to the bonding pad by hot pressure welding.
The ink-jet printhead according to claim 28, further comprising an insulating connection ribbon to fix the plurality of connection members in a parallel arrangement.
A method of fusing a connection member to a bonding pad of a substrate, comprising:
- opening an opening in a protective layer above the bonding pad of the substrate;
- and
- hot pressure welding the connection member to the bonding pad of the substrate.
Dependencies are inferred from the claim text.