Yes E-FAB can do progressive etching. Typically, w...

2009-10-23T13:46:04.417-07:00

Yes E-FAB can do progressive etching. Typically, when a design has multiple depth requirements, we would go in with one image, etch down to a specific depth, strip the panel, lay down a second image pattern that exposes specific areas to be etched down to another given depth, and by repeating this process a number of times, we can produce multiple depth etching.

Theoretically, E-FAB can do up to .060 thick circuits, with the limitations being that as the material gets thicker, the lines and spaces get larger. The minimum line width will be equal to the thickness of the material, and the minimum space will be 25% wider than the material thickness.

The answer to your second question, "can you etch silver circuits?" is not something that we have done in a production run setting. However, E-FAB has made some silver parts for an optics company sometime back. There has not been much of a customer inquiry into silver etching, but let us know if that is something that you are interested in.

If you are in the process of designing a board now and are looking forward to getting more information on the design requirements from a manufacturing standpoint, please contact E-FAB today. If you already have an engineering design, we are more than happy to give you a quote on that too.

By-the-way, because E-FAB has the capabilities to manufacturer flex boards and hybrid flex circuits using a variety of different chemical etching processes; in which a typical flex board shop would find difficult or impossible to do, we are ideally suited to be able to produce all types of flex circuits using a wide array of exotic materials and alloys.

Contact E-FAB Flex today.

Do you use precision progressive etching to achiev...

2009-10-15T14:28:18.517-07:00

Do you use precision progressive etching to achieve .060 thick copper circuits? and can you etch silver circuits?

brian schwartz

Comments on E-FAB Flex Circuits Group For Military And Commercial Apps: Heavy Metal Sculpted Flex Circuits - High Power Ap...

Yes E-FAB can do progressive etching. Typically, w...

Do you use precision progressive etching to achiev...