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From: Jamie on 7 Feb 2010 15:21
JosephKK wrote:

> On Sat, 06 Feb 2010 21:47:15 GMT, clausjensen(a)watermark.com (Claus Jensen) wrote:
>
>
>>On Sat, 06 Feb 2010 12:41:57 -0500, Jamie
>><jamie_ka1lpa_not_valid_after_ka1lpa_(a)charter.net> wrote:
>>
>>
>>> But one thing to note, I have found that on any
>>>approach that you use, if you don't first heat the board
>>> a little in a toaster oven or hot air gun prior to applying the
>>>image to the clad, you may get spotty results here and there..
>>>
>>> The heating does 2 things, dries the surface and gets it hot
>>>so the toner can stick better.
>>>
>>> I have done this with direct paper on the board with great
>>>results. Just soak off afterwards. But photo inkjet (glossy) is
>>>my primary paper, from printer to board.
>>>
>>
>>Has anyone tried running the paper through the printer twice, eg.
>>over-printing the image, to get more laser toner onto the paper?
>>
>>Could be a registration problem, but may be acceptable for larger
>>patterns. A few tries and one is bound to be close.
>>
>>Claus Jensen
>
>
> Though it is not discussed in your link or Gootee's page it has been
> reported to help when you have large copper areas.
That does not work well with my cheap Brother printer, the printer seems
to have issues aligning the sheet in the same place each time.

But in any case, I usually have good luck on a single pass..



From: Jon Slaughter on 7 Feb 2010 18:12
D from BC wrote:
> In article <hkmrn1$q72$1(a)news.eternal-september.org>,
> Jon_Slaughter(a)Hotmail.com says...
>>
>> D from BC wrote:
>>> In article <4b6d4519.1256281(a)news.tpg.com.au>,
>>> clausjensen(a)watermark.com says...
>>>>
>>>> I am thinking of trying "Press 'n Peel" film with the idea it
>>>> would be more reliable than the homemade toner release papers, etc.
>>>>
>>>> Can anyone who has used it, please report their good or bad
>>>> experiences?
>>>>
>>>> Any hints to obtain better results?
>>>>
>>>> Or is it not significantly better than the type of process
>>>> described here:
>>>>
>>>> http://gilmore2.chem.northwestern.edu/projects/garbz2_prj.php
>>>>
>>>> Claus Jensen
>>>
>>> I never got PnP to work reliably and consistantly.
>>> Maybe I was doing something wrong.
>>> And when I needed smaller detail, PnP became more of a hassle.
>>> I now make boards by laminating a photosensitive film and
>>> photoexposing.
>>
>> Where do you get the film from?
>
> http://www.capefearpress.com/order.html

How hard is it to apply to the copper? It's about a 50% savings over buying
presensitized boards. If it's pretty easy to use then it's a significant
savings.


From: Jon Slaughter on 7 Feb 2010 18:13
Jon Slaughter wrote:
> D from BC wrote:
>> In article <hkmrn1$q72$1(a)news.eternal-september.org>,
>> Jon_Slaughter(a)Hotmail.com says...
>>>
>>> D from BC wrote:
>>>> In article <4b6d4519.1256281(a)news.tpg.com.au>,
>>>> clausjensen(a)watermark.com says...
>>>>>
>>>>> I am thinking of trying "Press 'n Peel" film with the idea it
>>>>> would be more reliable than the homemade toner release papers,
>>>>> etc.
>>>>>
>>>>> Can anyone who has used it, please report their good or bad
>>>>> experiences?
>>>>>
>>>>> Any hints to obtain better results?
>>>>>
>>>>> Or is it not significantly better than the type of process
>>>>> described here:
>>>>>
>>>>> http://gilmore2.chem.northwestern.edu/projects/garbz2_prj.php
>>>>>
>>>>> Claus Jensen
>>>>
>>>> I never got PnP to work reliably and consistantly.
>>>> Maybe I was doing something wrong.
>>>> And when I needed smaller detail, PnP became more of a hassle.
>>>> I now make boards by laminating a photosensitive film and
>>>> photoexposing.
>>>
>>> Where do you get the film from?
>>
>> http://www.capefearpress.com/order.html
>
> How hard is it to apply to the copper? It's about a 50% savings over
> buying presensitized boards. If it's pretty easy to use then it's a
> significant savings.

And I assume it works pretty good?
From: D from BC on 7 Feb 2010 23:07
In article <hknhcb$m2t$1(a)news.eternal-september.org>,
Jon_Slaughter(a)Hotmail.com says...
>
> D from BC wrote:
> > In article <hkmrn1$q72$1(a)news.eternal-september.org>,
> > Jon_Slaughter(a)Hotmail.com says...
> >>
> >> D from BC wrote:
> >>> In article <4b6d4519.1256281(a)news.tpg.com.au>,
> >>> clausjensen(a)watermark.com says...
> >>>>
> >>>> I am thinking of trying "Press 'n Peel" film with the idea it
> >>>> would be more reliable than the homemade toner release papers, etc.
> >>>>
> >>>> Can anyone who has used it, please report their good or bad
> >>>> experiences?
> >>>>
> >>>> Any hints to obtain better results?
> >>>>
> >>>> Or is it not significantly better than the type of process
> >>>> described here:
> >>>>
> >>>> http://gilmore2.chem.northwestern.edu/projects/garbz2_prj.php
> >>>>
> >>>> Claus Jensen
> >>>
> >>> I never got PnP to work reliably and consistantly.
> >>> Maybe I was doing something wrong.
> >>> And when I needed smaller detail, PnP became more of a hassle.
> >>> I now make boards by laminating a photosensitive film and
> >>> photoexposing.
> >>
> >> Where do you get the film from?
> >
> > http://www.capefearpress.com/order.html
>
> How hard is it to apply to the copper? It's about a 50% savings over buying
> presensitized boards. If it's pretty easy to use then it's a significant
> savings.

I find it easy..

I squeegee the film on small boards using my drivers license card.


--
D from BC
British Columbia
From: D from BC on 7 Feb 2010 23:15
In article <hknhf5$m93$1(a)news.eternal-september.org>,
Jon_Slaughter(a)Hotmail.com says...
>
> Jon Slaughter wrote:
> > D from BC wrote:
> >> In article <hkmrn1$q72$1(a)news.eternal-september.org>,
> >> Jon_Slaughter(a)Hotmail.com says...
> >>>
> >>> D from BC wrote:
> >>>> In article <4b6d4519.1256281(a)news.tpg.com.au>,
> >>>> clausjensen(a)watermark.com says...
> >>>>>
> >>>>> I am thinking of trying "Press 'n Peel" film with the idea it
> >>>>> would be more reliable than the homemade toner release papers,
> >>>>> etc.
> >>>>>
> >>>>> Can anyone who has used it, please report their good or bad
> >>>>> experiences?
> >>>>>
> >>>>> Any hints to obtain better results?
> >>>>>
> >>>>> Or is it not significantly better than the type of process
> >>>>> described here:
> >>>>>
> >>>>> http://gilmore2.chem.northwestern.edu/projects/garbz2_prj.php
> >>>>>
> >>>>> Claus Jensen
> >>>>
> >>>> I never got PnP to work reliably and consistantly.
> >>>> Maybe I was doing something wrong.
> >>>> And when I needed smaller detail, PnP became more of a hassle.
> >>>> I now make boards by laminating a photosensitive film and
> >>>> photoexposing.
> >>>
> >>> Where do you get the film from?
> >>
> >> http://www.capefearpress.com/order.html
> >
> > How hard is it to apply to the copper? It's about a 50% savings over
> > buying presensitized boards. If it's pretty easy to use then it's a
> > significant savings.
>
> And I assume it works pretty good?

Yes.
Under 4x magnification etched pcb traces look sharp.

Soon I'll be trying a 'low haze' transparency film which may reduce the
exposure time when using a 50W halogen.


--
D from BC
British Columbia
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