Member #1467422
Member Since: November 8, 2018
Country: China
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Outer layer copper thickness necessities ought to be reviewed as trace dimension and spacing decrease below 5-6 mils. The designer ought to attempt to utilize a copper callout to satisfy the electrical necessities additionally as take into account manufacturability of the PCB. A general rule is (1 oz. copper being nominal) as circuit density will increase, copper weight ought to decrease. as an example, a four mil trace and house style ought to utilize [*fr1] ounce copper for external layers where doable.
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