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電路板的電性測試方法
TWI729863B
Taiwan
Description
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Claims (9)
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- 一種電路板的電性測試方法，包含：分析多個待測電路板的多條待測電路走線的影像圖檔，以計算出該等待測電路走線之間的線距，並透過分析統計產生短路的多條電路走線之間的多個短路線距，而依據該等短路線距建立出一短路測試距離；及量測該等線距不大於該短路測試距離的該等待測電路走線，以得知在該短路測試距離內的該等待測電路走線之間的短路情形。
- 如請求項1所述的電路板的電性測試方法，其中，測試多個前置電路板的該等電路走線，並挑選出具有短路情形的該等前置電路板，分析統計短路的發生次數與該等短路線距的關係，從而建立出該短路測試距離。
- 如請求項2所述的電路板的電性測試方法，其中，計算出該等待測電路走線之間的該線距，及建立該短路測試距離兩者的實施順序可相互對調。
- 如請求項1所述的電路板的電性測試方法，其中，該等待測電路走線之間的該等線距具有一最大距離，該短路測試距離小於該最大距離。
- 如請求項2所述的電路板的電性測試方法，其中，該等前置電路板的該等電路走線與該等待測電路板的該等待測電路走線的配置相同。
- 如請求項1所述的電路板的電性測試方法，其中，該待測電路板具有多層結構，而分析同層及不同層之間的該等待 測電路走線的影像圖檔，以計算出位在同層的該等待測電路走線之間的線距，及不同層之間的該等待測電路走線之間的線距。
- 如請求項5所述的電路板的電性測試方法，其中，該等線距不全為相同值。
- 如請求項1所述的電路板的電性測試方法，其中，該影像圖檔是由一二維向量圖檔格式進行轉換而得。
- 如請求項8所述的電路板的電性測試方法，其中，該二維向量圖檔格式為選自Gerber或ODB++檔案。