Caring Circuit Tech Limited
Tel. +86 755 2309 0196
Fax. +86 755 2309 0196
An unbelievably simple approach to order from us.
Just two steps from you
Step #1: You- Send Gerbers with quantity, specifications, destination, etc. View details
Step #3: You- Confirm your order and pay. View payment term
All in advance (preferred, it will save bank charges)
30% deposit and balance before delivery against pcb reports and photos of bare pcb, packages and packing list (OK). View reports and photos format
Step #4: We- PCB layout check and fabrication. View engineering query format
Step #5: We- Reports of fabrication status. View fabrication reports format
Step #6: We- Deliver and send you delivery note. View delivery note format
While there is no strict IPC definition for what constitutes a “fine” line, we generally define this as including boards with 2 through 5 mil line and spacing.
The ever increasing need to do more in less space has driven the need for finer lines / spaces and higher density features. Further, as component manufacturers design ever tighter component footprints, PCB designers are often forced into tight circuit designs. Our customers span a wide range of industries, including: Military; Telecommunications; Industrial Controls; and Automotive.
Photo-Imageable Dry Film: We have identifed and stock a variety of dry films that have specific characteristics for specific features. When our operators encounter fine lines on inner and outer layers, they change out our laminators to replace the standard dry film with premium dry film that resolves images with greater clarity.
Exposure Units: The process for imaging works such that the artwork is placed over a production panel that is coated with a photo-imageable dry film. UV light is then turned on to expose the film per the artwork, much like taking a film picture. Typical exposure units have a single point light source that is spread across a production panel using reflectors. Unfortunately, the reflectors cause the light to hit the panel at an angle, which is not conducive to fine line imaging.
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