INNOVATION> MICRO-INSPECTION SYSTEM

FASTTEST - 3D NDT microinspection system

3D no- destructive inspection system for microfeatures, microfluidics and microdevices

FASTTEST is a new metrology system for non-contact 3D inspection of micro-fluidic chips and other micro-featured components. FASTTEST offers a faster feedback on drifts in the manufacturing process to the manufacturer. In consequence, it allows faster intervention and therefore reducing waste by allowing alteration of the process before the products drift out of specifications. This benefits FASTTEST customers to save resources and be more efficient.

Implementing FASTTEST system in the production line,  real-time information about the production process is received, incidents are detected quickly and valuable reports and data are obtained to improve future production, reducing manufacturing costs and increasing the ratio of compliant product that is suitable for sale and use.

Technical characteristics of the system:

INNOVATION

R&D+i funded projects

INNOVATION

High precision metrology

INNOVATION

FASTTEST: 3D NDT inspection

Benefits of using FASTTEST

The system allows a preselection of the inspection zones of interest. This together with a well optimized data acquisition rate, allows the inspection of parts at rates matching production rates, enabling systematic inspection of the entire output of the production line rather than randomly selected samples. This thorough quality control reduces waste and increases quality in sectors such as point of care medicine where disposable microfluidics are used.

What is FASTTEST? What FASTTEST system does?

FASTTEST system performs mechanical quantitative Quality Assessment on micromachined parts at assembly chains, assessing the quality of the manufacturing process (conformance with the mechanical specifications). The parts being evaluated with FASTTEST have a dimension of a few mm in x-y and only a couple of mm in depth. The precision of the measurements is in the order of a few µm.

In the figure below, we present the scheme of the FASTTEST system as seen from software architecture. In gray are depicted the hardware parts of the system: in blue the sections of the code; in red are the communication channels and the data buffers.

The interpreter stages in the GUI are used to translate the commands and the data to/from the assembly chain, the external data files, the GUI itself and the functional kernel.

The beginning of the project

The work from the beginning of the FASTTEST development project has been focused on software integration and optimisation of the different assemblies making up the FASTTEST instrument. The OCT measurement and the FFT leading to depth measurements has been performed and calibrated. The data acquisition speed of the OCT is now hardware limited to 40 000 depth profiles per second. A user interface now allows the user to select the path which the OCT is to scan.

The system is able to self-configure and perform measurement operations following an inspection path introduced by the user. The machine vision is able to recognize patterns which will be used to automatically guide the OCT beam to the regions of interest. FASTTEST has been demonstrated to potential customers and discussions are currently on-going with a medical devices manufacturer about applying the system capacity to a particular QA problem they have been unable to resolve before. The tailoring of the software by the IA to specific potential customer needs has increased the customer base for the FASTTEST system.

FASTTEST is fully autonomous system and, as such, is provided with an extensive set og automated diagnostic tools for reliable hardware control. Thought FASTTEST, customers can program the inspection path relevant for the Quality Assessment of the parts they manufacture, saving time and enhancing their reliability.

Since the beginning of the project, in ASE we reached significant improvements in the FASTTEST instrument, placing it beyond the current SoTA for micrometric non-contact inspection technology. The measurement rates achieved in 3D together with the measurement philosophy which drastically reduces the data load allows for an instrument which can match production rates. A feat not achieved before. This results in a faster feedback on drifts in the manufacturing process to the manufacturer, allowing for faster intervention and therefore reducing waste by allowing alteration of the process before the products drift out of specifications. This allows FASTTEST customers to save resources and be more efficient. The end-users also benefit from FASTTEST, have higher quality assurance of the products they are purchasing. The main market for micro-devices currently targeted being disposable point-of-care medical devices, the long-term impact of FASTTEST is improved treatment and ultimately health for Europe and its citizens.

INNOVATION

R&D+I funded projects

INNOVATION

High precision metrology

INNOVATION

FASTTEST: 3D NDT microinspection

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