FLEX BOARD / Flexible substrates

Local exposure on flexible boards: observing fine traces and connections

Overall and magnified flexible-board images illustrate observation of connections and fine traces after surface-material removal.

Local exposure on flexible boards: observing fine traces and connections

Sample and analysis objective

Flexible substrates are sensitive to fixturing and local deformation. Define the support method, opening region and traces that may be exposed before evaluating removal and inspection paths.

ItemCase information
Sample typeFlexible board / Flex Board
Observation objectiveConnection regions, fine traces and local surface layers
Items to validateSupport, deformation, residue and trace condition

Processing record

Two image groups show overall regions and local trace details on flexible boards. The source does not specify common processing conditions, thickness changes or electrical results for the traces.

Actual sample images

Flexible-board image 1: overall condition of the target region.
Flexible-board image 1: overall condition of the target region.
Flexible-board image 2: local connection-array detail.
Flexible-board image 2: local connection-array detail.
Overall connection region from another flexible-board image group.
Overall connection region from another flexible-board image group.
Magnified view of fine traces and connection positions.
Magnified view of fine traces and connection positions.

Result review priorities

  • Provide suitable support and record both the natural sample shape and fixtured condition.
  • Inspect fine-trace edges, surface residue and local deformation.
  • Verify continuity and insulation requirements with appropriate electrical measurements.

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