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Arrayit Corporation (ARYC) leads and empowers the genetic, research, pharmaceutical, and diagnostic communities through the discovery, development and manufacture of proprietary life science technologies and consumables for disease prevention, treatment and cure.  - Powerful Science for Life™

Products - Microarray Printing - BioRobotics Printheads

Arrayit offers Stealth and Professional Series 64-Pin Printheads for Digilab BioRobotics MicroGrid II microarrayers. Our printheads allow MicroGrid II customers to use our entire line of Stealth, 946 and Professional Series microarray printing pins.

Table of Contents

  • Introduction
  • Quality Control
  • Product Description
  • Technical Assistance
  • Installation Instructions
  • Warranty

Congratulations on taking a big step towards improving the affordability, quality and speed of your genomic, proteomic, biomedical, pharmaceutical and agricultural research.  This handbook contains all the information required to take full advantage of Arrayit Stealth 64 Printhead for the BioRobotics Microarrayers (Catalog ID: BRSPH64). This product will allow users of BioRobotics microarrayers take advantage of Stealth Micro Spotting Pins (US Patent Number 6101946).  Whether you’re a student or a seasoned researcher, this product will add tremendous value to your scientific endeavors.

Quality Control
Arrayit takes every measure to assure the quality of our Arrayit Microarray products. The finest manufacturing procedures were used to produce this device. Rigorous quality control monitoring guarantees that each device conforms to the highest industry standards.

Product Description
Arrayit's Arrayit Stealth Pins and Printheads provides microarray manufacturers users with the highest quality; most advanced precision micro spotting technology available. The BRSPH64 Printhead accommodates up to 64-patented Stealth Style Micro Spotting Pins.

Technical Assistance
Please contact us if you have any comments, suggestions, or if you need technical assistance.  On the Internet, go to  By electronic mail: (subject heading "BRSPH64 Printhead technical assistance"). By telephone: (408) 744-1331, Monday–Friday PST 9:00am - 4:30pm. Please remember that we want to hear about your successes!

Installation Instructions
In order to operate the BRSPH64  Printhead, a bayonet tool “T” Connector is required and is available only from Digilab. The part numbers required to run Stealth and 946 technology are:

  • B0014880 (Bayonet / Tool)
  • B000145K - 64 Pin Wash Plate & Cover - Stealth or 946 Micro Spotting Pins

These parts can be ordered directly from Digilab.

Follow the manufactures instructions and calibrate the arrayer. The proper calibration and motion control settings are essential for getting the best performance from this product.  Technical questions should be addressed to

Ordering Information

Catalog number

Maximum number of Pins

Center to center pin spacing

Maximum printing area

Sample loadings per 384-well microplate

Printing time for
10,000 spots onto 50 substrates

Price (US dollars)*



4.5 mm

18 x 72 mm


5.2 hours




4.5 mm

18 x 72 mm


5.2 hours


To order ArrayIt® brand products: call 408-744-1331, fax 408-744-1711, email, or click on the purchase button above to proceed directly to the purchase page.

*International pricing may vary up to 30% due to import duties, stocking fees and technical support.

*Add shipping and handling to all orders.

ArrayIt® Brand products have been scientifically developed and are sold for research purposes. Extreme care and exact attention should be practiced in the use of the materials described herein. All ArrayIt® Brand products are subject to extensive quality control and are guaranteed to perform as described when used properly. Any problems with any ArrayIt® Brand product should be reported to Arrayit immediately. Arrayit’s liability is limited to the replacement of the product, or a full refund. Any misuse of this product including the use of the wrong protocols or procedures is the full responsibility of the user.

Arrayit microarray printing technology (U.S. 6,101,946) is sold license-free for research use only.
All other uses of our patented technology (US 6,101,946) including commercial testing and diagnostics require a license. For license inquiries, please contact our Licensing Department at


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