Table of Contents
Table of Contents |
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Tools at SLAC: https://photos.app.goo.gl/uLpUdpsPU9Laigdp7
LBNL provided instructions for soldering leads to platinum heaters. Download yourself: LBNL PowerPoint Slides
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Inventory
The table below is most likely out of date. For the 19-0 ring, please use this document as a reference (it collects all the info on the heaters wired and measured by Valentina and Sam in Jan 2020):
https://docs.google.com/spreadsheets/d/1s-4BwTW910EQzInhqSd7pgCI3uvk52Jl/edit#gid=2064913736
Sample | Label | Dimension | Quantity | Who | Date | ||||||
Heaters single size | A19 | 21.3x20.5 | 9 | Marco | wired - Valentina | 4/143/21/19 | |||||
Heaters single size | B19 | 21.3x20.5 | 9 | Marco | wired - Valentina | 4/143/21/19 | |||||
Heaters quad size | C19 | 45x41 | 25 | Marco | wired - Valentina | 4/143/21/19 | |||||
Heaters dummies for tests (wafer edges) | D19 | 45x41 | 20 | Marco | 3/21/19 | wired - Valentina 10 - 6 to Zhi | 4/14/21 | ||||
Heaters quad size Heaters single size | A21 10 boxes | TBC TBC | 25 87 | Caterina Caterina | 4/14/21 4/14/21 | Stavelets | 12-16 | (2 quad heaters per stavelet) | 5 | Marco | 2/20/19 |
Dummy Heaters Inventory (the table above is a screenshot of 3/22). The latest status is at
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Heaters dimensions have been measured here:
https://drive.google.com/drive/folders/1bW_r5Phgyt8DJJ4dwmBe-TeskERc6VYQ
And again here using the CMM:
https://docs.google.com/spreadsheets/d/184nDPdVxXGeM7emri5dYKY1ca4Y5buHXP0zP1pMPt3o/edit?usp=sharing
Electrical resistance
Resistance measurement of a single quad heater:
1.9 ohms
Soldering Procedures
Notebook PDF (HeaterSolderingPreparationNotebook.pdf) has the most up-to-date process information. – HH, JS, RH 2021
View file name HeaterSolderingPreparationNotebook.pdf height 250
List of Materials:
1. Using cobar core solder 63/37 (Sn64 Pb37) type with flux core or.... the type of solder makes too much difference.
The diameter of the wire needs to be small 0.012" to 0.020".
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Wiring In Series – Heaters are to be wired together in series after loading onto the Ring.
Connection for heaters on the ring: electrical circuit is given by the red and the green squares are the heaters. The red arrows are the position where the electric circuit connects to power supply