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Author Topic: baket d kumakapit sa copper clad ung photopaper ko?  (Read 3055 times)

Offline BhongTech

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #80 on: November 18, 2011, 12:28:24 PM »
^ yan ang parati kong gamit. ferric chloride :D
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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #80 on: November 18, 2011, 12:28:24 PM »

Offline Ikasamoko

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #81 on: November 18, 2011, 06:56:52 PM »
Quote from: Bhongskie on November 18, 2011, 12:17:56 PM
hindi ata kusang nainit ang ferric chloride sir Kasam.... :D

Exactly..kaya di na ako gumamit nito...with muriatic+aqua...kusang umiinit yung solusyon..

sa FeCl3 naman yung solusyon ay nilalagay ko sa isang lalagyan na may mainit na tubig para mapadali ang etching..


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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #81 on: November 18, 2011, 06:56:52 PM »

Offline your most RIDICULOUS man :)

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #82 on: November 20, 2011, 07:47:15 PM »
MANHATTAN style minsan :)
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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #82 on: November 20, 2011, 07:47:15 PM »

Offline iQ50

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #83 on: March 06, 2012, 12:24:02 PM »
bakit ganun mga sir sobrang hirap alisin nung print sa PCB? na plantsa ko na at na etch tapos buburahin ko na yung print sobrang hirap alisin. i used already paint thinner at alcohol.
toner based yung print. kinakayod ko ng maige pero konti palang nabubura.
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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #83 on: March 06, 2012, 12:24:02 PM »

Offline Aoshinomori

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #84 on: March 06, 2012, 12:50:02 PM »
sir try mo acetone or lighter fluid
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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #84 on: March 06, 2012, 12:50:02 PM »

Offline Ikasamoko

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #85 on: March 06, 2012, 12:53:45 PM »
Bakit kasi paint thinner? lacquer thinner or acetone lang katapat nyan...

BR
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Offline ???

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #86 on: March 06, 2012, 03:03:04 PM »
Parang gaas lang yang paint thinner.

Kuskusin mo kaya ng liha yung pino kung hindi madale pa ng laker thinner.
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Offline iQ50

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #87 on: March 06, 2012, 03:04:45 PM »
Na try ko ndin pala acetone. Pero it only works like the paint thinner. Will try lighter fluid.
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Offline abeTIR

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #88 on: March 06, 2012, 04:42:02 PM »
^lacquer thinner ka na sis...mura lang yung de bottle kung ayaw parin yan acrylic thinner na..ewan ko lang kung endi pa yan kumalas... ;)
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Offline iQ50

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #89 on: March 07, 2012, 09:38:46 AM »
Napansin ko lang, pag hindi pa na eetch sa Ferric Chloride yung PCB madali pang tanggalin yung Print, pero pag na babad na sa Chloride e napakahirap ng alisin. nangangalay na ako kaka punas sa PCB para lang matanggal yung print. :)
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Offline dummy_c

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #90 on: March 07, 2012, 10:04:19 AM »
Quote from: iQ50 on March 06, 2012, 12:24:02 PM
bakit ganun mga sir sobrang hirap alisin nung print sa PCB? na plantsa ko na at na etch tapos buburahin ko na yung print sobrang hirap alisin. i used already paint thinner at alcohol.
toner based yung print. kinakayod ko ng maige pero konti palang nabubura.

OT kana pala sir kasi opposite ang problem mo ka TS. ;D ;D ;D

Anyway ginagawa ko para matanggal ang toner, ginamitan ko lang yon ng pinakanipis na sandpaper like sa sinabi sa taas.
Ok na ok din ang thinner or acetone. Dependi na rin sa klase ng thinner/acetone kung gaano kadali matanggal ang toner.
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Offline Pinoy_Tech

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #91 on: March 07, 2012, 09:04:44 PM »
Maganda rin na nakababad sa tubig habang kinikiskis ng sand paper.
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Offline nucleus

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #92 on: March 11, 2012, 05:03:55 AM »
break fluid lang para kang nagtanggal ng sebo gamit ang joy ;D ;D ;D
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Offline etsusera

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #93 on: September 24, 2012, 10:52:38 PM »
Quote from: rdpzycho on November 10, 2011, 10:04:28 AM
??? ??? ???

gagana 'yan, masyadong matagal lang exposure time mo. CFL ang gamit namin sa opisina with traces as thin as 8 mils.



thinnest trace is 8 mils, to give an idea gaano siyang kanipis, 'yung jumper diyan is AWG#32. 'yung butas is 1mm.



lahat 'yan CFL ang gamit at ordinary bond paper. walang baby oil or anything special. nasa tiyaga lang 'yan. kapag nawawalan ng pag-asa, lalong 'di maaayos. tama naman 'yung instructions sa package (referring to Alexan PCB).



dati ordinary desk lamp lang ginagamit namin, linagay na sa box ngayon para sabay ang exposure nung top at bottom side, isang salangan lang. 'yan 'yung bond paper na ginagamit namin, nothing special, similar sa quality ng National Bookstore Best Buy.


pwede rin sa araw, pero dapat sandali lang at tanghaling tapat.

sis, using coupon bond..gano katagal exposure time mo?

ilang minutes kaya pag 15w cfl. gamit ang coupon bond. tIA
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Offline rdpzycho

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #94 on: September 25, 2012, 02:14:26 AM »
12 mins ang minimum to 20 minutes maximum. kung 15W medyo dikit dapat. kaya lang nakalayo 'yung sa ginawa naming box para even 'yung exposure at wala 'yung shadow areas.
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Offline etsusera

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #95 on: October 02, 2012, 10:54:37 AM »
sis rd salamat sa guide...nagawa ko din :) using coupon bong, inkjet and deeco pre-synth board...ganda ng results..

mga sis may alam ba kayong nabibilhan ng photeresist na liquid ung ikaw mismo magpapahid? mahal kasi pre-synth eh


tia
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Offline ricdelros

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #96 on: October 02, 2012, 09:29:11 PM »
Quote from: etsusera on October 02, 2012, 10:54:37 AM
sis rd salamat sa guide...nagawa ko din :) using coupon bong, inkjet and deeco pre-synth board...ganda ng results..


Picture please..
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Offline rdpzycho

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #97 on: October 03, 2012, 12:32:00 AM »
Quote from: etsusera on October 02, 2012, 10:54:37 AM
sis rd salamat sa guide...nagawa ko din :) using coupon bong, inkjet and deeco pre-synth board...ganda ng results..

mga sis may alam ba kayong nabibilhan ng photeresist na liquid ung ikaw mismo magpapahid? mahal kasi pre-synth eh


tia

gagawa ka ng sarili mong board? ewan ko kung applicable 'yung ginagamit sa silk screen, pero may ginagamit dati 'yung boss ko para gumawa ng sariling sensitized board. pag-apply nung liquid, ididikit sa motor para even 'yung application.
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Offline etsusera

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #98 on: October 04, 2012, 12:57:18 PM »
pictures? pano po mag post ng pics? hehe

opo ung liquid nalang sana para kahit anung pcb ok na :) wala po kasi pre-synthesized dito probinsya :)
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Offline etsusera

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #99 on: October 05, 2012, 06:17:45 AM »
eto po picture nung board before etching..

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Re: baket d kumakapit sa copper clad ung photopaper ko?
« Reply #99 on: October 05, 2012, 06:17:45 AM »
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