On 4/1/2018 4:47 PM, Rick C. Hodgin wrote:
> On Sunday, April 1, 2018 at 7:01:09 PM UTC-4, John Levine wrote:
>> In article <
00576c24-59e0-4e67...@googlegroups.com>,
>> Rick C. Hodgin <
rick.c...@gmail.com> wrote:
>>> On Sunday, April 1, 2018 at 3:00:49 AM UTC-4,
bit-n...@hotmail.com wrote:
>>>> OK, I'm probably talking out of my .. here, but.....is such a thing possible, or WILL it be possible one day in the
>>> future? I thought people here might know.... :) (cause I already heard about some MIT students 3D printing a circuit
>>> board!!)
>>>
>>> They run around 1 MHz max at present:
>>>
>>>
https://www.youtube.com/watch?v=01y6bR6ETpA
>>
>> That's not 3d printed -- it's conventional lithography on flexible
>> plastic. It's pretty clever but it's not the same thing.
>
> Where do you get that it is conventional lithography? I read a metal
> oxide layer on a polymer, but it does not say how the polymer is
> deposited, or that it's etched. He refers to patterning on layers
> and interconnect registration, but that doesn't mean conventional
> lithography-like techniques.
>
> I always assumed it was some type of ink-based deposition for each
> layer.
Imagine a printer with access to many colors... Now, think of each color
"ink". The ink cartridge would consist of various exotic metals and
polymers, like a spectrum of color. Perhaps the print head(s) can
Sorry if this sounds too off the wall. ;^o