This is for >>>100pcs Dry Film Photoresist Sheets for DIY PCB 6x8"
You can create incredibly fine, detailed circuit boards using this high quality hotoresist. It is the same material that professional PCB shops use. Contents include:
How to use it : 1. Prepare: Clean your board. Cut dry film a little larger than your board. 2. Apply Resist: This Photoresist has 3 layers, the top and bottom layers are clear protective layer, so at the first, you need remove one protective layer, the easy way is to use two small pieces of scotch tape. Then apply the middle layer on board. A-- Apply using a hot roll laminator. This is the easist and professional way to do it. B-- Apply using your hand. Starting from one corner and ending to the cross corner, use your palm to remove all air bubble between film and board, set the iron temperature about 130°C, apply the hot iron down onto the film and PCB, pressing them both flat and putting them under pressure. 3. Expose: Place your negative artwork over the rest protective layer. Use a glass to press the artwork to the board snuggly, then expose to UV light source or under sunlight,the source of light should be at least 8" away from the artwork. The best exposure time is depends, but you can easy to recognize it: the color of film is changing from light blue to dark blue. 4. Develop: Remember: you need NEGATIVE film developer, Remove the rest protective layer on the film, now only resist left on the board, develop board in developer solution that mixed by 1g developer powder with 100g(or 100ml) water (~1% by weight). After 3 minutes take board out of developer and hold under running water to check,you can always place it back in the developer if needs more time. 5. Etch board.
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PAYMENT: We accept payment through PayPal . For purchasing multiple items, Please email us for a combined invoice . Generally we would like to receive payment within 48 hours if paying by PayPal. We will not ship items until payment is received / cleared. Thank you for your understanding. Most items are shipped by postal airmail service within the next 24 hours after received payment. When you buy multiple items that close on the same day, your shipping cost will be combined with discount. We ship worldwide. INT'L AIR POSTAL SHIPPING SERVICES:
Air Shipping Fees + Packaging&Materials + Handling fees = $free [ suitable for worldwide, the shippment normally takes up to 7-15 buesiness days,holidays&weekends are not inculded ]
How do I get an invoice with combined shipping for multiple items? You can use the Ebay checkout for each item, bid or use Buy It Now. When all of the items you are bidding on have ended, e-mail us and we will send you a combined invoice. - Do you charge any additional tax? No additional taxes or fees are charged for international buyers. - Do you offer express shipping? NO, we only offer Airpost Service [ same as the USPS ] Shipping method. - Duty and brokerage charges? We are not responsible for any duty, tax or brokerage charged by your country. - My package has still not arrived ? Make sure you have read the shipping details to determine expected delivery time frame. If your item has still not arrived within this time, then email us. Delivery estimates are in business days and do not include weekends and holidays. - My item was damaged in shipping? Our parts are carefully packaged to prevent damage in shipping. |