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The Anatomy of a Printhead (Part 2)

When we left off in our last blog post, the circuits were being tested by our engineers.  Now that we have working, defect-free circuits, it’s time to build a printhead.

Wire Bonding … the next step
The circuits that have been cleared in electrical testing move on to wire bonding.  Gulton uses an automatic wire bonder to provide connectivity between the printed circuit board and the PCB parts that create the functional printhead. 

Let’s go under the hood …
If you look under the cover of a printhead you’ll see a number of components essential to printhead operation.  Let’s look at a few of those components.

Resistors
Resistors are used to reduce current flow, adjust signal levels, divide voltages, bias active elements and terminate transition lines.

Driver Chips (IC)
A driver chip is an electrical circuit or component that is used to control another circuit or component.

Connectors
Connectors allow the flow of voltage and data through flexible cables connected to logic and power. 

Heat Sink
This is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device.  Heat is dissipated away from the device thereby allowing regulation of the device's temperature at optimal levels.

These and other components are assembled by hand on the Gulton manufacturing floor.

Printhead Testing
Every printhead Gulton manufactures goes through a rigorous testing process.   Our process of circuit testing, purchasing the highest quality components for use in our printheads, it is the final testing process that assures both Gulton and our customers that the printheads they’ve ordered are in top working condition prior to their receipt. 

Gulton works hard to make sure that we deliver our customers the best quality compatible printheads available.  We’re proud of our process and we’re happy to share it with you.  If you have any questions, or if we can help you with your printhead requirements, don’t hesitate to give us a call at 1-800-356-0399.  And make sure you check out our video that will make Gulton’s manufacturing process come to life for you.  You can watch it here: https://youtu.be/WFHOxgf0YEQ or right on our home page.