By D. Favrholdt
This quantity is split into 5 components. The name of the quantity refers basically to half I, that is via some distance the most important and contains papers discussing the basic questions of biology and comparable mental and philosophical difficulties. Following the copy of papers delivered to e-book via Bohr, there's a separate Appendix to half I together with a few of Bohr's best and major unpublished contributions during this region. The papers partially I span the final thirty years of Bohr's existence and exhibit his nice curiosity in organic difficulties and his unremitting efforts to teach that biology can't be lowered to physics and chemistry.
half II includes articles of a extra normal cultural curiosity. a few of these exhibit that Bohr appeared the complementary viewpoint to be of price additionally outdoor the clinical sphere.
half III comprises the articles Bohr wrote in regards to the nice Danish thinker Harald HГёffding. those brief papers are awarded in a piece all alone a result of carrying on with dialogue within the heritage of technology approximately HГёffding's attainable impact on Bohr's paintings in physics and his entire medical approach.
half IV includes articles illuminating the heritage of twentieth century physics. Bohr had nice veneration for his predecessors and lecturers, and he ready those articles with nice care.
half V includes correspondence when it comes to the fabric in components I via IV. As in prior volumes a list of appropriate unpublished manuscripts held on the Niels Bohr Archive constitutes an appendix to the entire quantity.
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Additional info for Collected works. - Complementarity beyond physics (1928-1962)
50 shows an 42 LIENHARD WEGMANN 1000 10 10' 3 10'« 10'* 10" Dose 10" Fig. 50. Increase in throughput by the double chamber method. Fig. 51. An Accelerators Implanter IM with 2 beam lines, 1971. example of how the throughput is increased by this method. Particularly in the flat part of the curve a considerable gain is realized. This double chamber principle is used in the new predep implanters. THE HISTORICAL DEVELOPMENT OF ION IMPLANTATION 43 Fig. 52. A High Voltage Engineering 150 keV production implanter with 2 target chambers, Netherlands 1974.
They then proceeded to develop the formalism to allow the full evaluation of this new concept which has proved to be quite accurate. Stopping powers in 1984 (the date of this chapter) can now be calculated with an average accuracy of better than 10% for low energy heavy ions, and to better than 2% for high velocity light ions. Range distributions for amorphous elemental targets have about the same accuracy. THE STOPPING AND RANGE OF IONS IN SOLIDS 2- 59 NUCLEAR STOPPING CROSS-SECTIONS In this section we shall review the mathematics of the collision of two charged particles and then the collisional scattering of two atoms with emphasis on the elastic energy transferred to the stationary atom.
In fact, predeposition could be achieved by evaporation or CVD and would by no means produce good results, because in the subsequent diffusion process the ions would have to pass through the surface. The 60 keV branch at the left represents a family of implanters which is no longer produced. These were the so called "Dedicated Implanters" which could only implant boron for low dose implants. An example of Fig. 31. The Accelerators "Dedicated" Implanter 80 TA, 1974. 28 LIENHARD WEGMANN these is the Accelerators Inc.