EP1750334A1 - Dispositif destiné à tempérer un module laser dans un développeur de plaque d'impression - Google Patents

Dispositif destiné à tempérer un module laser dans un développeur de plaque d'impression Download PDF

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Publication number
EP1750334A1
EP1750334A1 EP06116601A EP06116601A EP1750334A1 EP 1750334 A1 EP1750334 A1 EP 1750334A1 EP 06116601 A EP06116601 A EP 06116601A EP 06116601 A EP06116601 A EP 06116601A EP 1750334 A1 EP1750334 A1 EP 1750334A1
Authority
EP
European Patent Office
Prior art keywords
laser module
peltier element
heat
laser
peltier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06116601A
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German (de)
English (en)
Other versions
EP1750334B1 (fr
Inventor
Jörg-Achim FISCHER
Michael Schöple
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Priority to EP10151333A priority Critical patent/EP2228876A1/fr
Publication of EP1750334A1 publication Critical patent/EP1750334A1/fr
Application granted granted Critical
Publication of EP1750334B1 publication Critical patent/EP1750334B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/447—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources
    • B41J2/45—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources using light-emitting diode [LED] or laser arrays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/447—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources
    • B41J2/455—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources using laser arrays, the laser array being smaller than the medium to be recorded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/47—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light
    • B41J2/471—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror
    • B41J2/473—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror using multiple light beams, wavelengths or colours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/377—Cooling or ventilating arrangements

Definitions

  • the present invention relates to a method and a device according to the preambles of claims 1 and 12.
  • print templates for printed pages are generated. These print templates already contain all the elements to be printed, such as text graphics and images. For color printing, a separate artwork is created for each ink. For four-color printing, these are the printing colors cyan magenta yellow and black (CMYK). But it can also be any additional or other printing inks.
  • CMYK cyan magenta yellow and black
  • the printed originals separated by printing inks are also called color separations.
  • electronic printing data z. B. present in the form of rasterized bitmaps generated on the basis then the printing plates, such as. B. printing plates are imaged. In this way, a printing plate is imaged for each color separation. These printing plates are then clamped in printing presses and then transfer the respective underlying printing ink to the paper.
  • the print data describes different screen dots on the printing plate.
  • the grid width describes the spacing of individual grid points, while the grid angle represents a measure of the different angles that occupy the grid of the different color separations to each other.
  • a halftone dot is formed by several pixels. These pixels are the smallest elements that are imaged by an imagesetter on the printing plate can. Depending on the tonal value of the corresponding point of the artwork, more or less pixels of a halftone dot are imaged. The halftone dot then appears lighter or darker.
  • the imaging of the printing plates takes place pixelwise by means of a laser beam emitted by laser diodes.
  • the illustration itself takes place in an imagesetter. This can be an external drum imagesetter, internal drum imagesetter or a flatbed platesetter.
  • a corresponding platesetter comprises for imaging the printing plates an exposure head, such as. B. a laser module comprising different laser diodes. Each individual laser diode of the laser module then emits a laser beam in the direction of the printing plate as a function of the print data. By appropriate optical elements of this laser beam is then focused on the surface of the printing plate.
  • the printing plate is clamped on the exposure drum of the imagesetter.
  • One or more laser modules are located on one or more exposure head carriers which are moved axially parallel to the drum by a feed screw.
  • the feed spindle is driven by a stepper motor.
  • the corresponding laser module is moved along the printing plate and exposed, depending on the printing data, the surface of the printing plate with one or more image lines.
  • This imaging takes place in the form of a helix.
  • the laser module can for this exposure one or more generally several laser diodes z.
  • B. 64 include.
  • the laser module additionally has optical elements for focusing the laser beams on the printing plate surface.
  • the laser diodes of the laser modules are generally semiconductor devices, these are excited to emit laser beams by means of electrical energy.
  • heat is generated as a function of the respective efficiency. With an ordinary efficiency of 30%, 70% of the electrical energy consumed is converted into heat.
  • This power loss heats the laser module as a whole and, on the other hand, the individual laser diodes themselves. By heating the laser module as a whole, it may cause shifts of the individual laser diodes to each other. As a result, the generated image may suffer on the printing plate.
  • the exposed image lines must have a well-defined distance from each other for a high quality print image. If the distance between individual image lines deviates from one another by about one ⁇ m, this is clearly recognizable as a loss of quality.
  • the laser modules are cooled. This can be done for example by means of a Peltier element.
  • a corresponding arrangement of such a cooling device is in the EP 1 398 655 A1 proposed.
  • Such Peltier elements require a heat sink with a relatively large surface area. Through this surface, the heat is convected to the Ambient air discharged. The more heat that has to be emitted, ie the more heat that has to be transported away from the laser modules, the greater the design-related space requirement of the Peltier element.
  • the space in the region of the laser modules is generally not sufficient to provide Peltier element here, which cool the laser modules accordingly.
  • the object of the present invention is achieved by the characterizing features of claim 1 in method view and by the characterizing features of claim 12 in device view.
  • the laser module is cooled by passing heat from the laser module via a heat conduction to the Peltier element.
  • the Peltier element is provided in a region of the imagesetter which is suitable for its provision, spatially separated from the laser module and thermally coupled to the laser module via a corresponding heat transport device for heat conduction so that the laser module can be cooled and / or heated.
  • the Peltier element directly to the laser module.
  • the heat can first be transported away via a corresponding heat transport device of the laser module. At a certain distance in a place that provides sufficient space then the Peltier element can be made available. This may, for example, be an area in the vicinity of the outer panel of the printing platesetter. The heat can then be transported away from the laser module and released via a heat sink of the Peltier element to the environment.
  • the laser module can both be cooled and heated by passing heat from and / or to the laser module via a heat conduction to and / or from the Peltier element.
  • a controllable, bipolar power supply unit clocked digitally with a digital control device is used with analog output signals for the analog control of the Peltier element.
  • This digital control device may be, for example, a CPU which, depending on the outside temperature or the temperature of the laser diodes, controls the power supply of the Peltier element accordingly. Particularly favorable as the power supply is controlled digitally clocked. This is a power supply that is digitally controlled according to the principle of pulse width modulation and finally outputs analog output signals. The Peltier element itself is then driven by these analog signals which extends the life of the Peltier element and its efficiency is higher than when it is controlled clocked in some way. By providing a bipolar power supply, it is also possible to use the Peltier element for both cooling and heating.
  • a heat sink of the Peltier element is actively cooled by a fan.
  • the Peltier element acts as a control element in a control loop and although the Peltier element is controlled in response to temperature changes of the laser module to be controlled.
  • the Peltier element is controlled in response to temperature changes of the laser module to be controlled.
  • This control of the digital control device is controlled by a pilot control unit.
  • the Peltier element can already be controlled by appropriate consideration of the modulation so that it can respond to these occurring thermal fluctuations of the laser diodes.
  • the pilot control unit is connected directly to the modulation device for modulating the laser diode signals.
  • an analog-to-digital converter for the feedback of the analog output signals of the power supply is provided on the digital drive means.
  • a cooling liquid circuit in the heat transport device is a cooling liquid circuit in the heat transport device.
  • a coolant for example, water can be used.
  • the cooling liquid itself should be cooled only by means of the Peltier element. The use of a compressor is not necessary. As a result, in particular noise can be avoided and vibrations by a possible compressor do not occur.
  • a low-pressure pump is provided for circulating the liquid of the coolant circuit.
  • this low-pressure pump may be particularly advantageously a pump with a magnetically mounted rotor or impeller, the rotor or the impeller should be advantageously formed spherical. As a result, a low wear of the pump is possible. By the Magnetic storage is less likely to block the pump, since the rotor / impeller automatically evades smaller dirt.
  • the Peltier element itself has an optimum operating point for cooling or for heating the cooling liquid. If cooling liquid or the laser module or the laser diodes is to be further heated or cooled beyond this operating point, the efficiency of the Peltier element is reduced. In order to improve the efficiency of the Peltier element and to be able to dissipate or supply more heat, it is particularly favorable provided that at least two Peltier elements are operated for the supply or release of heat or to the cooling liquid circuit in parallel or in series , For this purpose, at least two Peltier elements are provided accordingly.
  • At least three Peltier elements connected in parallel and in series are provided for applying and / or releasing heat from and / or to the cooling liquid circuit.
  • FIG. 1 shows a tempering device according to the invention for a laser module of an external drum plate exposer.
  • a printing plate 1 is mounted on a drum 2 of an outer drum exposure unit not shown here.
  • the drum 2 is rotated in accordance with the rotation arrow 3.
  • laser diodes of laser mode 4 emit laser beams 5 as a function of print data.
  • the laser beams 5 are focused by not shown here optical elements on the surface of the printing plate 1 and thereby write image lines 27 on the surface of the printing plate. 1
  • Each laser module 4 includes a plurality of laser diodes, z.
  • 64 laser diodes may be provided for a laser module 4.
  • the laser module 4 is located on an exposure head carrier 28.
  • This exposure head carrier 28 is moved via a stepping motor 8 by means of a feed screw 9 parallel to the axis of the drum 2 during the exposure of the printing plate 1 in the direction of the feed direction 7.
  • the feed rate of the exposure head carrier 28 is controlled via the stepper motor 8 so that the printing plate 1 is imaged as intended.
  • the individual image lines 27 are thereby exposed helically on the printing plate 1.
  • the laser diodes of the laser modules 4 are controlled by a modulation drive 6 as a function of their relative position to the surface of the printing plate 1 and in dependence on printing data.
  • the laser beams 5 are modulated accordingly.
  • the laser diodes heat up. Accordingly, the entire laser module 4 is heated. By this heating, the relative positions of the laser diodes change with each other and the life of the laser diode decreases.
  • the laser module 4 and thus also the laser diodes included are cooled by means of a coolant circuit 10.
  • this cooling liquid circuit 10 for example, pure water or a mixture of pure water and glycol can be located.
  • This cooling liquid is circulated by means of a low pressure pump 11 in the cooling liquid circuit 10 along the arrows 12.
  • the coolant circuit 10 is designed so that it meanders in the region of the laser module 4. In this way, it takes over the heat loss performance of the laser diodes of the laser module 4 and transports this heat away from the laser module 4.
  • the cooling liquid in the cooling liquid circuit 10 is heated accordingly. This heating of the coolant can be detected by a temperature sensor 13 in the coolant circuit 10.
  • a Peltier element 14 is provided to dissipate the heat from the coolant circuit 10.
  • the coolant itself is transported along a cooling side of the Peltier element.
  • the Peltier element 14 has a heat sink 15, which can be cooled by means of a fan 16. In this way, the heat is released from the cooling side of the Peltier element 14 to the heat sink 15 and then by convection to the ambient air.
  • the Peltier element 14 can remove heat from the coolant in response to an applied current.
  • a driving device in the form of a CPU 17 is provided for driving the Peltier element.
  • the control of the Peltier element 14 takes place in dependence on the temperature of the cooling liquid, which is determined by means of the temperature sensor 13. This temperature is transferred to the CPU 17.
  • the CPU 17 itself then controls the power supply 19 of the Peltier element 14. This is done by means of a drive signal 18.
  • the power supply unit 19 generates, as a function of the drive signals 18, output signals 20 whose values determine the cooling power of the Peltier element 14. In this way, the cooling liquid is cooled by means of the Peltier element 14 so far that it has a temperature suitable for cooling the laser module 4.
  • the low-pressure pump 11 is adjusted so that the flow rate of the cooling liquid is sufficient to cool the laser module 4 to a constant temperature and that the cooling liquid itself can be completely transferred to the Peltier element 14.
  • the low-pressure pump is controllably connected to the CPU 17. Further control instruments can z. Belly Be temperature sensors in the range of the laser module 4. These are not shown here.
  • FIG. 2 shows a particular embodiment of the control of the Peltier element 14 is shown. These are in particular the elements which are shown in section A of Fig. 1.
  • the laser module 4 is controlled by means of the modulation drive 6 in such a way that the individual laser diodes are modulated and expose image lines 27 as a function of existing print data.
  • This modulation of the laser diodes 4 is now transferred from the modulation drive 6 to a pilot control unit 21, which forwards a corresponding control signal 22 to the CPU 17.
  • This control signal 22 reflects the entirety of the modulation signals of the laser diodes of the laser module 4 again.
  • the cooling liquid of the cooling liquid circuit 10 is heated in response to these modulation signals.
  • the control signals of the CPU 17, which are transferred to the power supply 19 can then consider in advance this transfer to the cooling liquid power.
  • the control signals 18 are intended to be modulated here and thus represent a digital signal form for controlling the power supply 19.
  • the power supply 19 is a bipolar, clocked power supply and is switched as a function of the pulse width of the drive signals 18.
  • Analog output signals 20 are then generated. This may be, for example, a current or else a voltage that is applied to the Peltier element 14.
  • the power supply 19 generates the output signals 20 in response to the drive signals 18. This may be a non-linear actuator, that is, the Power supply 19 at least at relatively large duty cycles of the pulse width modulation of the drive signals 18 no longer linearly as a function of the pulse width generates a current as an output signal 20.
  • a feedback 23 is provided, which feeds back the analog output signal 20 to the CPU 17, so that a linearization can be performed here.
  • the analog feedback signal is first digitized by means of an analog-to-digital converter 24 for transfer to the CPU 17.
  • linear output signals 20 can be generated by means of the power supply 19.
  • the output signals 20 are a continuously adjustable current. The magnitude of the current and the direction then indicates whether the Peltier element 14 more or less cools or warms. The fact that a current with different signs can be generated by the power supply 19, the Peltier element 14 can ensure a constant temperature of the coolant.
  • the relative distances of the laser diodes of the laser module 4 also change by cooling the cooling liquid below a predetermined value, a deterioration of the resulting printed image on the printing plate 1 is also achieved by excessively cooling the cooling liquid or the laser module 4 itself.
  • This can be advantageously avoided by a temperature of the cooling liquid by means of the Peltier element 14.
  • the Peltier element 14 can be used as an active control element.
  • the cooling liquid can be heated or cooled.
  • the control of the power supply 19 can advantageously via the CPU 17 also be such that the modulation signals of the laser diodes are already taken into account here early a constant temperature of Laser module 4 of eg. 25 ° C to ensure.
  • this control circuit can be improved.
  • the power supply 19 outputs as an output signal an analog current value. This can take on positive and negative values continuously.
  • FIG. 3 shows a practical embodiment of the power supply 19.
  • a positive or negative current I P is to be set.
  • the CPU 17 generates a pulse width modulated drive signal 18. This gives the size of the desired current I P again.
  • the current I P is in this case the output signal 20 of the power supply unit 19.
  • This pulse-width-modulated signal 18 should have a period in the kilo-heart range and have a pulse duty factor of approximately 5 to 100%.
  • the power supply 19 can be controlled over a very large current range.
  • the CPU 17 transmits a direction signal 25 to the power supply unit 19. This direction signal indicates whether the current I P should be positive or negative.
  • the output signal 20 is a voltage U P. The control then takes place accordingly.
  • a bridge driver IC B1 For generating the output signal 20, a bridge driver IC B1 is provided. This controls in response to the drive signals 18 and the direction signals 25, the output transistors T1 and T2. Depending on the applied direction signal 25, either the output transistors T1 for a positive output signal 20 or the output transistors T2 for a negative output signal 20 d. H. controlled for a negative current IP. Depending on the driven transistors T1 or T2, a direct current is generated via the coils and capacitors L1, C1 or L2, C2. This DC then controls the Peltier element 14 accordingly.
  • the DC current is supplied via a feedback circuit 23 to an analog-to-digital converter 24, which converts this analog DC current into a digital signal and transfers it to the CPU 17.
  • the CPU 17 can then make a linearization of the output signal 20 when driving the power supply 19. In this way, a particularly uniform output signal 20 can be achieved.
  • the coolant circuit 10 is split here, so that several Peltier elements 14 can be connected in series and in series and so the Coolant circuit 10 can cool accordingly. Heating of the cooling liquid may be provided as well.
  • the control of the different Peltier elements 14 takes place as in the preceding drawings, in particular by means of a control as described in more detail in FIG. In the case shown here, two Peltier elements 14 in series and these in turn connected in parallel with a further series-connected pair of Peltier element 14.
  • an advantageous redundancy of the Peltier elements can be achieved as a result, in addition, as a result, a higher cooling or heat output of the Peltier elements 14 is achieved as well.
  • Each Peltier element 14 may have its own heat sink 15 with a corresponding fan 16. In this way, the performance of the tempering device can be increased accordingly.
  • the efficiency of a Peltier element 14 is dependent on the current I P used for driving.
  • the efficiency itself has a maximum at an optimal current I optimal. If the current intensity of the current I P exceeds this value, the efficiency of the Peltier element decreases again.
  • the efficiency is to be understood as the quotient of heat flow to the supplied electrical power.
  • a typical course of the efficiency as a function of the current I P is shown in FIG. 5.
  • each Peltier element 14 is operated in the region of optimum efficiency.
  • a particularly efficient cooling is possible.
  • a particularly efficient warming of course.
  • the temperature control devices described here it is possible to achieve a constant temperature of the laser modules 4.
  • the heat is transported away from the laser modules 4 and transferred to the Peltier elements 14.
  • a heating is also possible.
  • a constant temperature can then be maintained.
  • the Peltier elements 14 can be located in a region of the printing platesetter, where sufficient space and a corresponding convection can be made possible by means of a fan.
  • the Peltier elements 14 can not be operated directly on the laser modules 4, especially in an external drum imagesetter. It is then sufficient to circulate the coolant of the coolant circuit 10 by means of a low-pressure pump 11. As a result, little interference can be expected.
  • the cooling liquid itself does not have to be cooled by a compressor.
  • a compressor would at least affect a Berithungs spur the printing plate 1 by its vibrations. Furthermore, by the simultaneous use of multiple Peltier elements 14 in series and or in parallel to each other a cooling capacity for the laser modules 4 can be achieved, which would otherwise be achieved only via a compressor-cooled cooling circuit 10. As a result, a better print image can be achieved because vibrations are avoided. Also, more efficient cooling is possible.
  • the Peltier elements 14 can be located directly in the area of the outer walls of the printing platesetter. As a result, the waste heat can be led out by means of the fan 16 directly to the outside of the platesetter.

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Laser Beam Printer (AREA)
  • Electronic Switches (AREA)
  • Semiconductor Lasers (AREA)
  • Lasers (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
EP06116601A 2005-08-01 2006-07-05 Dispositif destiné à tempérer un module laser dans un développeur de plaque d'impression Not-in-force EP1750334B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10151333A EP2228876A1 (fr) 2005-08-01 2006-07-05 Dispositif destiné à tempérer un module laser dans un développeur de plaque d'impression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005036099A DE102005036099A1 (de) 2005-08-01 2005-08-01 Vorrichtung zur Temperierung eines Lasermodus in einen Druckplattenbelichter

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP10151333.1 Division-Into 2010-01-21

Publications (2)

Publication Number Publication Date
EP1750334A1 true EP1750334A1 (fr) 2007-02-07
EP1750334B1 EP1750334B1 (fr) 2010-04-14

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ID=36940666

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06116601A Not-in-force EP1750334B1 (fr) 2005-08-01 2006-07-05 Dispositif destiné à tempérer un module laser dans un développeur de plaque d'impression
EP10151333A Withdrawn EP2228876A1 (fr) 2005-08-01 2006-07-05 Dispositif destiné à tempérer un module laser dans un développeur de plaque d'impression

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10151333A Withdrawn EP2228876A1 (fr) 2005-08-01 2006-07-05 Dispositif destiné à tempérer un module laser dans un développeur de plaque d'impression

Country Status (6)

Country Link
US (1) US20070025402A1 (fr)
EP (2) EP1750334B1 (fr)
JP (1) JP2007043163A (fr)
CN (2) CN101770179B (fr)
AT (1) ATE464684T1 (fr)
DE (2) DE102005036099A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011092321A1 (fr) * 2010-02-01 2011-08-04 Markem-Imaje Dispositif formant une enceinte d'imprimante à jet d'encre continu à concentrations réduites de vapeur de solvant à l'intérieur et autour de l'enceinte
WO2013114131A1 (fr) * 2012-02-01 2013-08-08 Lumejet Holdings Limited Dispositif de rayonnement et dispositif d'exposition de supports de données

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102136672B (zh) * 2011-03-15 2012-12-26 上海交通大学 基于碳化硅包层板条的激光器冷却装置
US20120300024A1 (en) * 2011-05-25 2012-11-29 Microsoft Corporation Imaging system
CN105038727A (zh) * 2015-06-09 2015-11-11 大连淡宁实业发展有限公司 一种冷却液
DE102019216924A1 (de) 2019-11-04 2021-05-06 Robert Bosch Gmbh Laseremitteranordnung sowie LiDAR-System
WO2021151233A1 (fr) * 2020-01-30 2021-08-05 Barco N.V. Sous-ensemble de refroidissement
US20230056905A1 (en) * 2021-08-23 2023-02-23 Palo Alto Research Center Incorporated Independently-addressable high power surface-emitting laser array with tight-pitch packing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819011A (en) * 1985-10-08 1989-04-04 Kabushiki Kaisha Sato Thermal printer temperature regulation system
US4901324A (en) * 1988-12-19 1990-02-13 Laser Diode Products, Inc. Heat transfer device for cooling and transferring heat from a laser diode device and associated heat generating elements
EP1398655A1 (fr) 2002-09-06 2004-03-17 Agfa-Gevaert AG Contrôle de température d'un module optique

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3633931A1 (de) * 1986-10-04 1988-04-07 Kernforschungsz Karlsruhe Verfahren und einrichtung zur kontinuierlichen messung der konzentration eines gasbestandteiles
JPS63245285A (ja) * 1987-03-31 1988-10-12 Toshiba Corp 電源装置
DE3910720A1 (de) * 1989-04-03 1990-10-11 Siemens Ag Reduktion des rauschens von lasersendern
DE3922800A1 (de) * 1989-07-11 1991-01-17 Siemens Ag Laserdiodensender mit handelsueblichem lasermodul
JP3063208B2 (ja) * 1991-03-29 2000-07-12 アイシン精機株式会社 遠心ポンプ
US5515391A (en) * 1994-03-07 1996-05-07 Sdl, Inc. Thermally balanced diode laser package
JPH08114362A (ja) * 1994-10-18 1996-05-07 Kamimura Hiroshi 電子冷熱式水温度維持装置
DE4437489C1 (de) * 1994-10-20 1996-03-28 Zeiss Carl Fa Kühlvorrichtung für einen impulsförmig angeregten Laser und Verfahren zum Betrieb einer derartigen Kühlvorrichtung
JPH08195528A (ja) * 1995-01-13 1996-07-30 Fujitsu Ltd レーザダイオードモジュール
JPH0923035A (ja) * 1995-07-07 1997-01-21 Kokusai Electric Co Ltd Ｌｄモジュール用自動温度制御回路
JP2830794B2 (ja) * 1995-09-19 1998-12-02 日本電気株式会社 光送信回路
DE19617552A1 (de) * 1996-05-02 1997-11-06 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zur Regelung der Temperatur in einer mit Laserlicht arbeitenden Druckplatten-Beschriftungseinheit, insbesondere einer Offset-Druckmaschine
JP3823262B2 (ja) * 1996-06-19 2006-09-20 株式会社トプコン レーザー発振装置
JPH10200208A (ja) * 1997-01-09 1998-07-31 Nec Corp 半導体レーザーモジュール
DK0981895T3 (da) * 1997-05-14 2002-05-27 Luescher Ursula System til belysning af trykplader og dettes anvendelse
WO1999031774A1 (fr) * 1997-12-15 1999-06-24 Mitsubishi Denki Kabushiki Kaisha Laser et procede de fabrication de ce dernier
DE19840345B4 (de) * 1998-09-04 2004-09-30 Dräger Medical AG & Co. KGaA Verfahren und Vorrichtung zum quantitativen Aufspüren eines vorgegebenen Gases
DE19928084C2 (de) * 1999-06-11 2003-03-27 Compact Laser Solutions Gmbh Transportables Laserbeschriftungssystem
JP2002076500A (ja) * 2000-08-22 2002-03-15 Keyence Corp 半導体レーザの冷却機構および冷却方法
JP2003318481A (ja) * 2002-04-25 2003-11-07 Sumitomo Electric Ind Ltd レーザ制御回路およびレーザモジュール
DE10236746A1 (de) 2002-08-10 2004-02-19 Bayerische Motoren Werke Ag Brennkraftmaschine mit einer Antriebsanordnung für Aggregat-Module
JP2004092610A (ja) * 2002-09-04 2004-03-25 Ee C Ii Tec Kk 液冷システムの軸流ポンプ
US6724792B2 (en) * 2002-09-12 2004-04-20 The Boeing Company Laser diode arrays with replaceable laser diode bars and methods of removing and replacing laser diode bars
DE10332770A1 (de) * 2003-07-17 2005-02-24 Jürgen Dr.-Ing. Schulz-Harder Kühlvorrichtung zum Abführen von Verlustwärme von einem elektrischen oder elektronischen Bauelement oder Baugruppe
JP2005099527A (ja) * 2003-09-25 2005-04-14 Ricoh Co Ltd 画像形成装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819011A (en) * 1985-10-08 1989-04-04 Kabushiki Kaisha Sato Thermal printer temperature regulation system
US4901324A (en) * 1988-12-19 1990-02-13 Laser Diode Products, Inc. Heat transfer device for cooling and transferring heat from a laser diode device and associated heat generating elements
EP1398655A1 (fr) 2002-09-06 2004-03-17 Agfa-Gevaert AG Contrôle de température d'un module optique
US20040075733A1 (en) * 2002-09-06 2004-04-22 Rainer Nebosis Method and apparatus for tempering an optical module

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011092321A1 (fr) * 2010-02-01 2011-08-04 Markem-Imaje Dispositif formant une enceinte d'imprimante à jet d'encre continu à concentrations réduites de vapeur de solvant à l'intérieur et autour de l'enceinte
FR2955801A1 (fr) * 2010-02-01 2011-08-05 Markem Imaje Dispositif formant pupitre d'imprimante a jet d'encre continu, a concentrations de vapeur de solvant a l'interieur et autour du pupitre diminuees
US8955948B2 (en) 2010-02-01 2015-02-17 Markem-Imaje Device forming a continuous inkjet printer cabinet with reduced concentrations of solvent vapor inside and around the cabinet
WO2013114131A1 (fr) * 2012-02-01 2013-08-08 Lumejet Holdings Limited Dispositif de rayonnement et dispositif d'exposition de supports de données
US9823569B2 (en) 2012-02-01 2017-11-21 Lumejet Holdings Limited Radiating device and media exposure device

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DE102005036099A1 (de) 2007-02-08
ATE464684T1 (de) 2010-04-15
EP2228876A1 (fr) 2010-09-15
US20070025402A1 (en) 2007-02-01
CN1908817A (zh) 2007-02-07
DE502006006674D1 (de) 2010-05-27
JP2007043163A (ja) 2007-02-15
CN101770179B (zh) 2012-10-10
EP1750334B1 (fr) 2010-04-14
CN101770179A (zh) 2010-07-07

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