Sensa Pen
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In 1985, when we made the decision to create
a completely ergonomic writing instrument, we first cleared
our mind of all previously conceived notions of writing instruments
and asked the all important question, "What would make the
hand feel most comfortable using a writing instrument?" Ten
years later, in 1995, SENSA was introduced to the world.
Through ergonomics research, it was determined that an ideal weight could be
created if properly counterbalanced. Therefore, an aeronautical alloy was selected
for its strength, weight and unique properties that allow for both machining
and high tolerance press fits.
Next came experimentation with the materials for a grip and plasmium™ was
developed. The interactive plasmium™ filled gripping system has
a morphic reforming quality. This is possible through an interdependent relationship
between the contour of the inner spindle, shape of the gripping section jacket
and fluid characteristic of the plasmium™. The result is a truly ergonomic,
comfortable grip, which reduces the overall stresses normally incurred through
writing by over 50%.
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FEATURES & BENEFITS | AWARDS & EXHIBITIONS
The drive mechanism was designed to function with one hand for both convenience
and to assist an injured percentage of the population. In order for this feature
to function without upsetting the carefully calculated balance, a uniquely designed
drive system was engineered within an incredibly small motor house.
Even the clip was designed with form following function. The contour was engineered
for a snag-free feature to protect clothing. The choice of materials was heat-tempered
steel for a lifetime of exacting tension. As it enters the barrel the clip turns
downward at a 180o angle and is press-fit between the barrel and internal
motor house.
The refill was the most simple selection of all the many selections made for
this writing instrument as there is nothing comparable to the pressurized refill
designed for, and used, on all NASA manned space flights. In the rear portion
of the refill a shot of nitrogen is injected prior to capping which allows for
the features of the pressurized refills which function:
 Underwater |
 Upside
down |
 Over grease |
 Over photos |
 In 0 gravity |
 40°F below 0°F |
 To 150°F above
0°F |
 For 3.5 miles! |
Even the coloring techniques in the
original
SENSA pens utilize the latest technologies. The aeronautical
aluminum alloys are bathed in ultra high temperature vats
which permanently heat infuse metallic color particles into
the metal.
In 1996 SENSA introduced the world’s
first Carbon Nickel Fiber pen. Carbon Fiber, heralded for
its lightweight and tensile strength, is used extensively in the
aerospace industry and as a primary material in the STEALTH BOMBER.
Nickel-plated carbon fiber was developed for electrically sensitive
components on the Space Shuttle. The fibers, woven together, create
a lightweight, extremely durable writing instrument with a high-tech
appeal.
SENSA has worked with the world's leader in vapor deposit
finishes to produce a solid titanium pen. Titanium
nitrates are applied in a vacuum chamber at temperatures above
290° F for an extreme durable finish. In 1998 a vapor
deposit Gun Metal Blue and Bronze SENSA pen was
introduced.
The SENSA pencil has a floating, retractable sleeve which allows for longer
write out and stows inside the pencil after use to prevent the snagging or tearing
of clothing which is common with traditional, non-retracting mechanical pencils.
SENSA’s modular packaging was, of course, designed
for function with a futuristic appeal. Optic quality resins are
molded and attached with heat-tempered steel clips for a tight,
exacting action. The pen case functions as a modular desktop
pen rest and business card holder as second-use features. Additionally
it is three-way recyclable for those not intending to use the
case for the desktop features.
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