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LTCC设计规则(LTCC Design Rules)三——Cavities / Windows

发布时间:2014-12-23 09:01:44   阅读:2082
LTCC设计规则(LTCC Design Rules)三——Cavities / Windows

Cavities / Windows

Cavities are openings in the ceramic through a various number of layers with a bottom; windows are openings through the hole ceramic without a bottom.

  Standard Possible
Cavity's Shape Rectangular, circular, special shapes possible Rectangular, circular, special shapes possible
Min. Floor Thickness in um 450 200
Max. Cavity Depth in um 1500 2500
Min Cavity Size in um 1000 500
Max. Cavity Size in um Depends on layout Depends on layout
Cavity Wall To Part Edge Spacing in um >1000 /
Cavity Wall To Bond Pad Spac. in um (B) 250 /
Bond Pad / Conductor Discover. in um (A) 750 /
Cavity Wall To Conductor Spac. in um (C) 400 /
Cavity Wall To Via Spacing in um (D) 2.5x via size /
Cavity Wall To Pad Spacing in um (E) 250 /
Spacing Between Two Cavities in um 1270 /

Note:

  Standard Possible
Window's Shape Rectangular, circular, special shapes possible Rectangular, circular, special shapes possible
Window Depth in um < 2000 > 2000
Min. Window Size in um 1000 500
Max. Window Size in um Depends on layout Depends on layout


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