ViaLabel® is a division of InfoSight Corp®.  "We Barcode Difficult Stuff  tm"  Providing state of the art bar code solutions for automatic identification of laboratory samples.Our technology produces robust , high contrast , industry standard bar codes on sample containers such as vials, slides or cassettes without  the use of adhesive labels.

All markings except cassettes are done by lasers on white patches applied to the sample container. The coatings are specially formulated such that they turn dark black upon laser marking. This approach ensures high contrast ( PCS) bar codes when compared to inherent laser  surface modification techniques.

Cassettes are marked by applying a specially formulated black patch onto the cassette surface and then laser ablating away the undesired black areas. The black patch has high adhesion to the (slippery) cassette surface. See Patent USP6518542.

All of our solutions provide codes which survive:

Cryogenic temperatures ( long term and cyclic)

Xylene and Most Solvents ( also tested long term in Surgipath Clearene®, Surgipath Sub-X®, Fisher Citri Solv™, and  Richard-Allan Clear-Rite ™3)

Alcohols ( Methyl and Ethyl)

Our Glass Vials  survive:


Temperatures up to the melting point of the glass 

Please scroll down through the following examples.

Weighing Pan with sequential bar coded tab- Mark survives temperatures up to those which melt the pan.

Permits the  automatic  recording of Tare and percentage of solids tests

Sequential Numbered and tare weighed pan

Sample Cups with sequential datamatrix codes (alternative is marking the cup bottoms)

Glass Vials with 2D and linear bar codes
Vials with dime are tare weighed and sequentially coded


Plastic Vial with Linear bar code ( x= 6 mil)

after 400 immersion / hot air cycles in Liquid Nitrogen

Also shown are PP Scintillation Tubes ( Right) 


Cryo Sleeve- Silicon Band which is laser marked

Colored Cassettes

See " Reading Colored Histology Cassettes" for cautions about using colors.

Preprinted Cassettes

Delrin histology cassettes with 2D and Linear bar codes 

              sequential inserts

Polypropylene Inserts Sequentially Coded ( 14 x 14 DataMatrix Code with .010" Element)

Microscope Slides with 2D bar codes

See KV2S Laboratory Marker for Slides

Edge Marked Tray

Ampule (Ampoule) with PDF417

Ampule Lab Marker Photo

New Product Release

Bottom Marked Ampule

Glass Ampule ( Ampoule) with DataMatrix Code on bottom

Eppendorf Tubes

There are two Approaches

   1.We coat white (laser blackenable) patches or black (laser ablatable) patches on the containers , mark them with sequential bar codes and ship the marked containers to you. You then link the instance container to its database when the container is filled in your laboratory.  See a White Paper " The Case for Standby Preprints"

   2.We coat white (laser blackenable) patches or black (laser ablatable) patches on the containers and ship them to you. You utilize a laser marker to image specific sample data onto the vial either before or after it is filled with the laboratory sample.

  3.We add marking additives into the injection molding source polymer. ( Master Batch)

  4.We use specialized marking lasers  ( wavelength and pulse rates ) to direct mark  standard polymers without additives.

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InfoSight  is a Registered Trademark of InfoSight Corporation 

ViaLabel  is a Registered Trademark of InfoSight Corporation