Impressions - September 2017 - 32

screen
making

Diazo-photopolymer
optimally cured with
multipoint LED on
yellow 156 mesh.

in a new era
Learn the options available
for today's advanced
digital technologies.

Diazo-photopolymer
optimally cured with
single-point metal halide
on yellow 156 mesh.

By Dave Dennings,
Contributing Writer
igital computer-to-screen (CTS) imaging and LED-exposure
technologies have brought much advancement to the
screen-printing industry and, with it, confusion about screenimaging and exposing choices.
With new CTS systems and the surge in LED-exposure equipment, printers have many exciting screen-making options for imaging
and exposing screens. The following is a clarification of the variety of
equipment available, as well as the emulsions best suited for them.
CTS imaging includes all technologies that image a screen directly
from a digital file without film positives. Two technologies currently
are used: inkjet masking and digital direct exposure. CTS systems save
time and money that once were spent outputting, cutting, tagging,
transporting, repairing and storing film positives by reproducing art
directly onto coated screens.
Exposure glass and vacuum frames are no longer needed. Therefore, time isn't spent cleaning film positives and vacuum-frame glass,
or waiting for the vacuum to draw down. As a result, pinholes are
greatly diminished. Even exposure times are shortened by as much
as 40% because the combination of exposure glass and film positive
blocks about 40% of the ultraviolet (UV) light.
CTS imaging systems can be grouped into two categories - masked
(inkjet) and maskless (direct-light exposure) - and then subdivided by their basic structures. Masked systems use inkjet technology
to apply ink onto a coated screen, forming the UV mask traditionally created by opaque film positives, and are equipped with either
water- or wax-based heads. Maskless systems do not use a mask, but
instead image and expose in one step. A digital light processor (DLP)
traverses a coated screen's surface, exposing only the negative image.
This allows the positive image to washout in developing.
Maskless systems are available with either conventional UV,
LED or laser light sources. The two primary systems in North
America are conventional UV and LED exposure lamps. These
systems are predominately used by graphic printers, but smaller
units are beginning to make some inroads into the transfer- and
P.32

I M P R E S S I O N S M A G . C O M SEPTEMBER 2017

garment-printing markets in Mexico and Central America.

Exposure System Choices
Exposure systems also can be divided into two categories - static
and dynamic - and further subdivided into single-point and multipoint systems.
Static: In static (stationary) exposure systems, the light source and
screen remain stationary as the entire screen or multiple screens are
exposed. These systems allow for the widest variety of emulsion choices
and are available in single-point or multipoint configurations.
Dynamic: With dynamic (moving) exposure systems, either the light
source moves across a stationary screen or the screen moves underneath
a stationary light source. Each part of the screen is momentarily exposed
to light. They rely on their close proximity to the screen to cure the
emulsion and are limited to fast-exposing SBQ emulsions. Dynamic
systems also are available in single-point or multipoint configurations.
Single-Point: Single-point light sources use a single bulb or light
column. Static single-point systems require sufficient distance from
the screen to achieve uniform coverage. Some UV energy reduction
at the perimeter of the exposure area occurs, as light must travel farther to reach these outer areas. UV falloff is minimized through the
use of reflectors that redirect stray light toward the perimeter areas,
and by establishing the correct distance between the light and screen.
Single-point lights are available as static (conventional metal-halide


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Table of Contents for the Digital Edition of Impressions - September 2017

Impressions - September 2017
Contents
First Impressions
From the Show Director
Overheard
First Look
Scene at ISS
On Design
High-Flying Outerwear Embroidery
Cut From the Same Cloth
Screen Making in a New Era
Shop Talk
Embroidery Design & Digitizing
Sublimation
Direct-To-Garment
Ad Index/Online Directory
Classifieds
Impressions - September 2017 - CT1
Impressions - September 2017 - CT2
Impressions - September 2017 - Impressions - September 2017
Impressions - September 2017 - Cover2
Impressions - September 2017 - 1
Impressions - September 2017 - Contents
Impressions - September 2017 - 3
Impressions - September 2017 - 4
Impressions - September 2017 - 5
Impressions - September 2017 - First Impressions
Impressions - September 2017 - 7
Impressions - September 2017 - From the Show Director
Impressions - September 2017 - 9
Impressions - September 2017 - Overheard
Impressions - September 2017 - 11
Impressions - September 2017 - 12
Impressions - September 2017 - 13
Impressions - September 2017 - 14
Impressions - September 2017 - 15
Impressions - September 2017 - 15a
Impressions - September 2017 - 15b
Impressions - September 2017 - First Look
Impressions - September 2017 - 17
Impressions - September 2017 - 18
Impressions - September 2017 - Scene at ISS
Impressions - September 2017 - On Design
Impressions - September 2017 - 21
Impressions - September 2017 - High-Flying Outerwear Embroidery
Impressions - September 2017 - 23
Impressions - September 2017 - 24
Impressions - September 2017 - 25
Impressions - September 2017 - 26
Impressions - September 2017 - 27
Impressions - September 2017 - Cut From the Same Cloth
Impressions - September 2017 - 29
Impressions - September 2017 - 30
Impressions - September 2017 - 31
Impressions - September 2017 - Screen Making in a New Era
Impressions - September 2017 - 33
Impressions - September 2017 - 34
Impressions - September 2017 - 35
Impressions - September 2017 - 36
Impressions - September 2017 - Shop Talk
Impressions - September 2017 - 38
Impressions - September 2017 - Embroidery Design & Digitizing
Impressions - September 2017 - 40
Impressions - September 2017 - 41
Impressions - September 2017 - Sublimation
Impressions - September 2017 - 43
Impressions - September 2017 - 44
Impressions - September 2017 - 45
Impressions - September 2017 - Direct-To-Garment
Impressions - September 2017 - 47
Impressions - September 2017 - 48
Impressions - September 2017 - 49
Impressions - September 2017 - Ad Index/Online Directory
Impressions - September 2017 - Classifieds
Impressions - September 2017 - 52
Impressions - September 2017 - Cover3
Impressions - September 2017 - Cover4
Impressions - September 2017 - IO1
Impressions - September 2017 - IO2
Impressions - September 2017 - IO3
Impressions - September 2017 - IO4
Impressions - September 2017 - IO5
Impressions - September 2017 - IO6
Impressions - September 2017 - IF1
Impressions - September 2017 - IF2
Impressions - September 2017 - IF3
Impressions - September 2017 - IF4
Impressions - September 2017 - IF5
Impressions - September 2017 - IF6
http://www.nxtbook.com/nxtbooks/impressions/202001
http://www.nxtbook.com/nxtbooks/impressions/201912
http://www.nxtbook.com/nxtbooks/impressions/dd_2019
http://www.nxtbook.com/nxtbooks/impressions/201910
http://www.nxtbook.com/nxtbooks/impressions/201909
http://www.nxtbook.com/nxtbooks/impressions/teamactive_2019fall
http://www.nxtbook.com/nxtbooks/impressions/201908
http://www.nxtbook.com/nxtbooks/impressions/20190607
http://www.nxtbook.com/nxtbooks/impressions/201905
http://www.nxtbook.com/nxtbooks/impressions/201904
http://www.nxtbook.com/nxtbooks/impressions/201903
http://www.nxtbook.com/nxtbooks/impressions/teamactive_2019spring
http://www.nxtbook.com/nxtbooks/impressions/201902
http://www.nxtbook.com/nxtbooks/impressions/201901
http://www.nxtbook.com/nxtbooks/impressions/201812
http://www.nxtbook.com/nxtbooks/impressions/dd_2018
http://www.nxtbook.com/nxtbooks/impressions/201810
http://www.nxtbook.com/nxtbooks/impressions/201809
http://www.nxtbook.com/nxtbooks/impressions/teamspirit_2018fall
http://www.nxtbook.com/nxtbooks/impressions/201808
http://www.nxtbook.com/nxtbooks/impressions/201806
http://www.nxtbook.com/nxtbooks/impressions/201805
http://www.nxtbook.com/nxtbooks/impressions/201804
http://www.nxtbook.com/nxtbooks/impressions/201803
http://www.nxtbook.com/nxtbooks/impressions/teamspirit_2018spring
http://www.nxtbook.com/nxtbooks/impressions/201802
http://www.nxtbook.com/nxtbooks/impressions/201801
http://www.nxtbook.com/nxtbooks/impressions/201712
http://www.nxtbook.com/nxtbooks/impressions/201710
http://www.nxtbook.com/nxtbooks/impressions/201709
http://www.nxtbook.com/nxtbooks/impressions/201708
http://www.nxtbook.com/nxtbooks/impressions/teamspirit_2017fall
http://www.nxtbook.com/nxtbooks/impressions/20170607
http://www.nxtbook.com/nxtbooks/impressions/201705
http://www.nxtbook.com/nxtbooks/impressions/201704
http://www.nxtbook.com/nxtbooks/impressions/201703
http://www.nxtbook.com/nxtbooks/impressions/teamspirit_2017spring
http://www.nxtbook.com/nxtbooks/impressions/201702
http://www.nxtbook.com/nxtbooks/impressions/201701
http://www.nxtbook.com/nxtbooks/impressions/sportsfanretailer
http://www.nxtbook.com/nxtbooks/impressions/201612
http://www.nxtbook.com/nxtbooks/impressions/201610
http://www.nxtbook.com/nxtbooks/impressions/201609
http://www.nxtbook.com/nxtbooks/impressions/201608
http://www.nxtbook.com/nxtbooks/impressions/teamspirit_2016fall
http://www.nxtbook.com/nxtbooks/impressions/20160607
http://www.nxtbook.com/nxtbooks/impressions/201605
http://www.nxtbook.com/nxtbooks/impressions/201604
http://www.nxtbook.com/nxtbooks/impressions/201603
http://www.nxtbook.com/nxtbooks/impressions/teamspirit_2016spring
http://www.nxtbook.com/nxtbooks/impressions/201602
http://www.nxtbook.com/nxtbooks/impressions/201601
http://www.nxtbook.com/nxtbooks/impressions/sportsfanretailer_201512
http://www.nxtbook.com/nxtbooks/impressions/201512
http://www.nxtbook.com/nxtbooks/impressions/digitaldecorator_2015fall
http://www.nxtbook.com/nxtbooks/impressions/201510
http://www.nxtbook.com/nxtbooks/impressions/201509
http://www.nxtbook.com/nxtbooks/impressions/201508
http://www.nxtbook.com/nxtbooks/impressions/teamspirit_2015fall
http://www.nxtbook.com/nxtbooks/impressions/20150607
http://www.nxtbook.com/nxtbooks/impressions/digitaldecorator_2015summer
http://www.nxtbook.com/nxtbooks/impressions/sportsfanretailer_201506
http://www.nxtbook.com/nxtbooks/impressions/201504
http://www.nxtbook.com/nxtbooks/impressions/201503
http://www.nxtbook.com/nxtbooks/impressions/teamspirit_2015spring
http://www.nxtbook.com/nxtbooks/impressions/201502
http://www.nxtbook.com/nxtbooks/impressions/201501
http://www.nxtbook.com/nxtbooks/impressions/sportsfanretailer_201412
http://www.nxtbook.com/nxtbooks/impressions/201412
http://www.nxtbook.com/nxtbooks/impressions/201410
http://www.nxtbook.com/nxtbooks/impressions/sportsfanretailer_2014fall
http://www.nxtbook.com/nxtbooks/impressions/201409
http://www.nxtbook.com/nxtbooks/impressions/201408
http://www.nxtbook.com/nxtbooks/impressions/teamspirit_2014fall
http://www.nxtbook.com/nxtbooks/impressions/digitaldecorator_2014summer
http://www.nxtbook.com/nxtbooks/impressions/20140607
http://www.nxtbook.com/nxtbooks/impressions/sportsfanretailer_2014spring
http://www.nxtbook.com/nxtbooks/impressions/201404
http://www.nxtbook.com/nxtbooks/impressions/201403
http://www.nxtbook.com/nxtbooks/impressions/teamspirit_2014spring
http://www.nxtbook.com/nxtbooks/impressions/201402
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201401
http://www.nxtbook.com/nxtbooks/nielsen/impressions_sportsfanretailer_201312
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201312
http://www.nxtbook.com/nxtbooks/nielsen/impressions_20131011
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201309
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201308
http://www.nxtbook.com/nxtbooks/nielsen/impressions_teamspirit_2013fall
http://www.nxtbook.com/nxtbooks/nielsen/impressions_20130607
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201304
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201303
http://www.nxtbook.com/nxtbooks/nielsen/impressions_teamspirit_2013spring
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201302
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201301
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201212
http://www.nxtbook.com/nxtbooks/nielsen/impressions_20121011
http://www.nxtbook.com/nxtbooks/nielsen/impressions_teamspirit_2012fall
http://www.nxtbook.com/nxtbooks/nielsen/impressions_20120809
http://www.nxtbook.com/nxtbooks/nielsen/impressions_20120607
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201204
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201203
http://www.nxtbook.com/nxtbooks/nielsen/impressions_teamspirit_2012spring
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201202
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201201
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201112
http://www.nxtbook.com/nxtbooks/nielsen/impressions_20111011
http://www.nxtbook.com/nxtbooks/nielsen/impressions_20110809
http://www.nxtbook.com/nxtbooks/nielsen/impressions_teamspirit_2011fall
http://www.nxtbook.com/nxtbooks/nielsen/impressions_20110607
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201104
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201103
http://www.nxtbook.com/nxtbooks/nielsen/impressions_teamspirit_2011spring
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201102
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201101
http://www.nxtbook.com/nxtbooks/nielsen/impressions_sourcebook2010
http://www.nxtbook.com/nxtbooks/nielsen/impressions_20101112
http://www.nxtbook.com/nxtbooks/nielsen/impressions_20100910
http://www.nxtbook.com/nxtbooks/nielsen/impressions_teamspirit_2010fall
http://www.nxtbook.com/nxtbooks/nielsen/impressions_20100708
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201004
http://www.nxtbook.com/nxtbooks/nielsen/impressions_teamspirit_2010winter
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201003
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201002
http://www.nxtbook.com/nxtbooks/nielsen/impressions_200909
http://www.nxtbook.com/nxtbooks/nielsen/impressions_eco_2009fall
http://www.nxtbook.com/nxtbooks/nielsen/impressions_teamspirit_2009fall
http://www.nxtbook.com/nxtbooks/nielsen/impressions_200910
http://www.nxtbook.com/nxtbooks/nielsen/impressions_20091112
http://www.nxtbook.com/nxtbooks/nielsen/impressions_sourcebook_200906
http://www.nxtbook.com/nxtbooks/nielsen/impressions_201001
http://www.nxtbookMEDIA.com