- DLP9000X and DLPC910 chipset provide a good margin for operation in a Digital Lithography or 3D Printing application
- This design will provide an initial direction for designers to focus more on how they would like to use DLP technology instead of how to implement DLP technologies
Lithography is the main tool used in IC manufacturing to record a binary image (pattern) on a layer of photosensitive material (photoresist) spun over a substrate, generally a semiconductor wafer.
Targets 3D printing and Lithographic operations
This reference design is provided by Texas Instruments. It is based on the design and development of a device which can be used for 3D printing and lithographic operations. The design is based on Texas Instruments’ DLP technology. It delivers a balanced combination of speed and resolution.
Offers a maximum throughput to the system
This DLP-based design offers a maximum throughput. It does so by integrating a DLP digital micromirror device with asynchronous digital controller. This combination features more than 4 million micromirrors (WQXGA resolution). It enables streaming data rates greater than 60 Giga-bits per second (Gbps).
Advance pixel control with random row addressing feature
The DLPC910 digital controller offers an advanced pixel control with random row addressing. In addition to this, it can process a full-frame input data. This added flexibility enables diverse architectures for industrial, medical, security, telecom, and instrumentation applications.
The design features a binary display rate of up to 14,989 Hz. With a full-frame input, the DLPC910 controller features a 64-bit LVDS data bus. This provides a faster processing rate to the system.
Uses a large micromirror array instead of a single mirror
The system consists of a large micromirror array. This array can be diagonally measured for 0.9 inches. This provides more light during lithographic operations. One of the major advantages of this design is the use of less interconnected components. This reduces thermal losses as well as passive noises.
For the design verifications, The DLP9000X DMD PCB of the reference design was mounted up to a modified commercial lamp-based DLP projector. It was mounted such that test patterns generated by the applications processor (Xilinx FGPA) could be projected onto a screen for visual validation. The DLP9000X WQXGA DMD makes high-resolution images. Due to this high resolution, the images were projected onto a very large wall-mounted screen. Hence, it helped in identifying and debugging the projected pattern discrepancies.
Meets system design with additional margins
DLP9000X and DLPC910 chipset provide a good margin for operation in a Digital Lithography or 3D Printing application. The setup and hold times of the DMD meets with an additional margin for typical system design. This design will provide an initial direction for designers to focus more on how they would like to use DLP technology instead of how to implement DLP technologies.
With these features, this reference design can be used in providing solutions to applications working on 3D printing and process analytics (pH, Gas, Concentration, Force & Humidity). All the design files can be downloaded here.