Patent ID: 11921126
Assignee: TECHNISCHE UNIVERSITÄT MÜNCHEN
Field: Measurement (Instruments)
Classification: CPC B  G | IPC A  C  G

Claim 14:
15. A method, comprising:
controlling a pressure within said first control channels of a device according to claim 1 in accordance with a test pattern for detecting blockage or leakage of, or between said first control channels;
causing a non-transparent liquid to flow through un-blocked ones of said second fluid channels of the device;
determining which ones of said second fluid channels are blocked and/or which ones of the second fluid channels are un-blocked, by detecting absence or presence of the non-transparent liquid in said second fluid channels; and
detecting blockage or leakage regarding said first control channels by comparing blocked and/or un-blocked ones of said second fluid channels to an expectation given rise to by the test pattern.