Homebrew PCBs

Any specifics about time, temp?

thanks for sharing

raymundo



>
>From: RJ <rj3819@...>
>To: Homebrew_PCBs@yahoogroups.com
>Sent: Thu, March 17, 2011 9:02:58 PM
>Subject: [Homebrew_PCBs] Re: Toner cure
>
>  
>Interesting update .. 
>I have this thin board .. 0.031 thick
>and have had a difficult time getting the toner to
>stick good to it. The thicker stuff seems to be better.
>How does this relate to toner curing?
>Well .. I have my new Apache 13P 4 roller laminator .. 
>and did one board .. and some of the transfers came off..
>It was that thin laminate again .. so I cleaned it up and
>tried it again .. but this time .. I thought .. being the rogue
>that I am .. that perhaps I could quench it then cure / bake it
>WITH the paper on .. Well that was interesting .. 
>The paper dried out .. and getting that first layer off was a little
>tricky .. but as much as it seemed to be more stuck to the board
>I expected it to pull the trace toner patterns right off the board.
>But, if did not . So I threw the board back into the water and
>went to work .. Just got home .. and worked a fair bit harder getting that paper 
>off the board .. and was rubbing it remarkably harder 
>
>then the first board...  The toner stayed on the board. Nothing came off .. Sooo 
>I believe at this point in the adventure that baking / curing ... or whatever 
>its doing to the toner .. is definitely making it adhere better to the board .. 
>
>
>Thats about it .. 
>
>Hope it might help someone out there ... 
>
>Randy - N2CUA
>
>--- In Homebrew_PCBs@yahoogroups.com, "RJ" <rj3819@...> wrote:
>>
>> Sorry Steve .. I was nervous about it being an old topic by a new rogue .  :(
>> 
>> All I was going to share was that it seems like .. 
>> The curing of the toner makes the resolution if the edges and thinner lines 
>>better .. and I did one board that had reaaaaaaly small print on it .. and the 
>>one before this one without curing had it wear off during etch .. but same 
>>pattern and process along with curing .. NONE of the fine print wore off and was 
>>quite nice .. so it seems like it matters .. and helps .. edges look sharper on 
>>the traces .. 
>>
>> Nice thing too .. is it doesnt seem to hurt anything .. and doesnt take all 
>>that long.  So if anyone else wants to try and see if it
>> looks like it makes a difference .. cant hurt to try..
>> 
>> Sorry about being gun shy ..
>> 
>> Randy - N2CUA 
>> 
>> --- In Homebrew_PCBs@yahoogroups.com, "AlienRelics" <alienrelics@> wrote:
>> >
>> > Is there a reason not to share it with the rest of us?
>> > 
>> > Steve Greenfield AE7HD
>> > 
>> > --- In Homebrew_PCBs@yahoogroups.com, "RJ" <rj3819@> wrote:
>> > >
>> > > Jan Kok ? Can you email me off list please?
>> > > I have an update for you on this topic ..
>> > > 
>> > > Randy
>> > >
>> >
>>
>
>
> 


      

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