High Frequency PCB Design/Layout ,2 Layer,Immersion Gold Finished Surface
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High frequency: that is high frequency (VHF or UHF, SHF),
the unit is generally expressed in MHz (MHz).
Radio frequency: RadioFrequency, referred to as RF.
RF is the radio frequency current, it is a high frequency AC change electromagnetic wave short.
Less than 1000 times per second changes in alternating current called low frequency current,
more than 10000 times called high frequency current, and radio frequency is such a high frequency current.
One of the widely used optical technology products are: bar code and camera two categories.
These two types of products are now widely used in people's daily lives, and has been well known.
For example: bar code for commodity management, camera for the capture of illegal vehicles.
|Files||Gerber, Protel, Powerpcb, Autocad, Cam350, etc|
|Material||High frequency Material (Rogers, Teflon, Taconic)|
|Layer No.||1 - 30 Layers|
|Board Thickness Tolerance||±10%|
|Copper thickness||0.5OZ - 4OZ|
|Min Trace Width (a)||0.005"(0.125mm)|
|Min Space Width (b)||0.005"(0.125mm)|
|Min Annular Ring||0.005"(0.125mm)|
|SMD Pitch (a)||0.012"(0.3mm)|
|pcb with green solder mask and LF-FREE surface finishing BGA Pitch (b)||0.027"(0.675mm)|
|Min Solder Mask Dam (a)||0.005"(0.125mm)|
|Soldermask Clearance (b)||0.005"(0.125mm)|
|Min SMT Pad spacing (c)||0.004"(0.1mm)|
|Solder Mask Thickness||0.0007"(0.018mm)|
|Hole size||0.01"(0.25mm)-- 0.257"(6.5mm)|
|Hole Size Tol (+/-)||±0.003"(±0.0762mm)|
|Lead free HASL||2.5um|
|Immersion Gold||Nickel 3-7um Au:1-3u''|
|Panel Outline Tol (+/-)||±0.004''(±0.1mm)|
|V-cut||15° 30° 45° 60°|
|Surface finish||HAL, HASL Lead Free, Immersion gold, Gold plating, Gold finger, immersion silver, immersion Tin, OSP, Carbon ink,|
|Certificate||ROHS ISO9001:2000 TS16949 SGS UL|
|Special requirements||Buried and blind vias, Impedance control, via plug, BGA soldering and gold finger|