"Description: 100% brand new and high quality. Operating steps: 1, grinding CCL, this simple, using the finest polished clean water frosted paper on the line 2, removing film, photographic film is sandwiched between two layers of film, the first side can make use of transparent tape tear torn, try a few on the line 3, and then foil, copper clad laminates can look a little cleaner, pasted, try not to have bubbles. 4, good paste membrane used presses, not too hot, about 100 degrees from the fixing. 5, the printed circuit board film, suggestion is to use film, the fine could reach the highest degree of accuracy if you did not ask for the paper to print it with sulfuric acid trip. 6, the printed circuit on the photographic plate (Note: Dry film is negative, so to highlight the print, which we usually use photographic plate opposite) with ordinary energy-saving lamps 10 or so, if there is exposure Machine 1 minutes on the line, the sun not tried, it should be 30 seconds -60 seconds, the exposure process Obviously, since the photosensitive film will change color when exposed to light, the light becomes dark blue. You will easily see your circuit diagram appeared on the board. 7, developing and tear the protective film on the front panel, into the developer (developer according 1:100,10 gram Total 1L of water) to be used when developing a little harder stick cotton wipe board. 8, etching, this goes without saying (ferric chloride etchant environmental For protection, hydrochloric acid + hydrogen peroxide, etc.) is recommended environmental etching shop, fast, clean, no odor. 9, after a good CCL etching, stripping, from film watered by 1:60 or 70, the board bubble like a few minutes 10, after the completion of the board, very pretty good, most dense line spacing is 0.1mm, width 0.1mm, 0.1mm lines do know though is very easy to do, but do 0.1 lines and 0.1 line spacing dry film can easily do it Specifications: Material: Organic Resin Width: 30cm Longth: 1m Quantity: 1 Roll Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Roll x Photosensitive Dry Film"
Pls buy with confidenceWe are spending more than 6 years in eBay business, we promise, we are an Honest and Hard-working seller, we do love our Job, we already try our best to provide best services. Hope you enjoy your purchase in our store If any questions and ideas, just feel free to tell us ,we are here for you or will be back to you within 24 hours. Our reputation for excellent customer service has been built over 5 years of trading by providing great value and support to all of our customers. With tens of thousands of products shipped,we understand the things that matter to you, the buyer.
ShippingWe ship to Paypal registered address only!
Items will be shipped within 24 hours after payment received.
For Items that shipped from China is send by Airmail, it normally take 15-35 days for delivery
If you do not receive your item after 35 days. please contact us immediately for further assistance. We will be responsible for any damages or losses incurred in the shipping process.
Import duties, value added taxes and any other charges are NOT included in the item price or shipping costs. As an eligible importer,you are responsible for any reasonable tax or any other importation fees.
1. We take care of all requirements from every single valued customer, like you. Therefore, we do our best to control the quality of each item before sending.
2. In very rare case, if the product is found faulty, please contact us for return or refund.
3. In addition, we offer 30 days unconditional Refund Warranty and 1 Year Manufacturer Warranty.
4. We must be informed if you do not like the device within 7 days upon receiving the item and we will give you a returned merchandise authorization number (RMA). Without (RMA), the buyer will be responsible for any loss of return.
5. All returns must include all original items undamaged, in re-saleable condition, all original packaging including manuals, warranty forms, etc.
6. As we are selling all items on eBay from factory at lowest price, we are unable to refund you shipping and handling costs. Buyer is responsible for shipping costs incurred shipping products back.
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