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35638

File - monthly.txt

Monthly Reminder for Homebrew_PCBs list, please read: Messages and threads: Please do NOT start a new thread by replying to another message. Even if you change
Homebrew_PCBs@yahoogroups.com
Apr 1
#35638
 
35636

Re: Brother 420 Laser printer

The after market has to be changed to OEM and then HP should be fine. Mine is a HP Laser Jet P2015dn and with hot transfer it works fine. It also works fine
Kevin Byrne
Mar 16
#35636
 
35635

Re: Brother 420 Laser printer

I have a Brother MFC 7860DW which I use for hot toner transfer.  It works pretty well.  My HP LJ1102w does a poor job.  Never have determined if it was the
Doug Holberg
Mar 15
#35635
 
35634
moonbirdmusic
Mar 14
#35634
 
35633

Re: Brother 420 Laser printer

There are two popular methods for making PCBs with toner transfer. Hot and Cold. The cold method involves using a solvent mixture(acetone and alcohol for one
K5ESS
Mar 13
#35633
 
35632

Re: Brother 420 Laser printer

What is the DPI of it 1200 best 600 maybe, do you have software also to adjust settings of your printer? Is you ink factory as it is better than replacement
Kevin Byrne
Mar 13
#35632
 
35631

Brother 420 Laser printer

I have a Brother 420 mono laser printer that is not being used. How could I mod or use it for home PCB making? Is anyone aware of specific mods or uses for
moonbirdmusic
Mar 13
#35631
 
35630

Re: uv resin for a photoresist substitute

I've had several problems with older dry-film resist, but the worst was that it was extremely difficult to get an exposure that would protect traces without
Larry Battraw
Mar 8
#35630
 
35629

Re: uv resin for a photoresist substitute

Banana oil is slang for amyl acetate or isoamyl acetate because they smell like bananas. Amyl acetate is used in lacquer thinners. Lacquer thinner, acetone and
dormouse_3
Mar 2
#35629
 
35628

Re: uv resin for a photoresist substitute

Gc electronics used to make both positive and negative photo resist. I have used both ,only problem I had sometimes with the positive is getting it to adhere
keith printy
Mar 2
#35628
 
35627

Re: uv resin for a photoresist substitute

Butyl acetate is sometimes called banana oil because it’s odor is similar to ripe bananas. Mike N. From: Homebrew_PCBs@yahoogroups.com
K5ESS
Mar 2
#35627
 
35626

Re: uv resin for a photoresist substitute

KPR is currently available. It is sold by Transene Company : http://transene.com/pkp/ This place also has materials and supplies:
Harvey Altstadter
Mar 2
#35626
 
35625

Re: uv resin for a photoresist substitute

Yes and no, with regards to using a UV resin for a photoresist. The original popular photoresist was KPR (Kodak PhotoResist):
wa4qal
Mar 2
#35625
 
35624

Re: uv resin for a photoresist substitute

Hi Larry, What do you mix with the photoresist to dilute it? Do you dilute the full 100g at once or dilute small amounts when you pull it out to use it? Do
jheissjr
Mar 2
#35624
 
35623

Re: uv resin for a photoresist substitute

THANK YOU for the verbose explanation. I bought the cheap photo-resist but had not done any experimentation with it yet. On 03/02/2017 01:28 AM, Larry Battraw
Rob
Mar 2
#35623
 
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